145 (number)

145 is the natural number following 144 and preceding 146.

In mathematics

* Although composite, 145 is a pseudoprime.

* Given 145, the Mertens function returns 0.

* 145 is a pentagonal number and a centered square number.

* $145\; =\; 12^2\; +\; 1^2\; =\; 8^2\; +\; 9^2$. 145 is the fourth number that is the sum of two different pairs of squares. Also, 145 is the result of 3⁴ + 4³, making it a Leyland number.

* $145\; =\; 1!\; +\; 4!\; +\; 5!$, making it a factorion. The only other numbers that have the property that they are the sum of the factorials of their digits are 1, 2 and 40585.

145th Street, Manhattan

* 145th Street
* 145th Street Bridge connects 145th Street and the Bronx
* 145th Street, Manhattan subway stations
** 145th Street station on the New York City subway IND A, B, C, and D lines
** 145th Street station on the New York City subway IRT 1 and 2 lines
** 145th Street station on the New York City subway IRT Lenox Avenue Line 3 line

In the military

* USS Armada (AM-145) was a United States Navy Admirable minesweeper ship during World War II
* USS Colbert (APA-145) was a United States Navy Haskell class attack transport during World War II
* USS General Harry Taylor (AP-145) was a United States Navy General G. O. Squier transport ship during World War II
* USS Greer (DD-145) was a United States Navy Wickes class destroyer during World War II
* USS Huse (DE-145) was a United States Navy Edsall class destroyer during World War II
* USS Roanoke (CL-145) was a United States Navy cruiser following World War II

In sports

* The Grand Union Canal Race is a 145 mile ultramarathon from Birmingham to London along the Grand Union Canal
* Football Hall of Famer Marcus Allen had 145 touchdowns in his NFL career
* Ted Williams hit 31 home runs, and had 145 RBI as a rookie in 1939
* During the NHL 2005-2006 season
**About 12% of all games (145 of 1,230) were decided by a shootout
** Teams scored 7,443 goals--not including 145 goals awarded to clubs winning a shootout

In transportation

* Eurocopter EC 145 is a twin-engine light utility helicopter
* [http://www.tertrerouge-racingcars.com/Delahaye145sports.html The Delahaye 145 Sports Car] from 1938
* The Alfa Romeo 145 car produced between 1994 and 2001
* Volvo 145 Express station wagon
* ERJ 145 regional jets produced by Embraer
* [http://goldengatetransit.org/schedules/pages/Route_145.html Golden Gate Transit Bus Route 145]
* [http://www.londonbusroutes.net/times/145.htm London Bus Route 145]
* Alabama State Route 145 runs from Clanton to Wilsonville
* California State Route 145 runs from Interstate 5 to Fresno
* Connecticut Route 145 runs from Clinton to Chester
* Illinois Route 145 runs from Metropolis to Harrisburg
* Maryland Route 145 runs from Cockeysville toBaldwin
* Massachusetts Route 145 in Suffolk County
* Missouri Route 145 in Mercer County
* New York State Route 145 runs from Cairo to Sharon
* Pennsylvania Route 145 in Lehigh Valley
* Virginia State Route 145 runs from Chesterfield to Richmond
* Winnipeg Route 145 runs from the Perimeter Highway to Route 80/Waverley Street

In TV and radio

* The TV series Spin City ran on PBS from 1996 to 2002 with 145 episodes
* Channel 145 on the Dish Network is ESPN Alternate
* Channel 145 on XM Satellite Radio is IndyCar
* Channel 145 on Sirius Satellite Radio is Fox News Talk

In other fields

145 is also:
* The year AD 145 or 145 BC
* 145 AH is a year in the Islamic calendar that corresponds to 762 – 763 CE
* 145 Adeona is a large Main belt asteroid
* [http://www.biblegateway.com/passage/?book_id=23&chapter=145&version=31 Psalm 145]
* Sonnet 145
* Apple Computer laptops, such as the PowerBook 145 and PowerBook 145B
* Botswana ranks #145 in world population
* Puff Daddy song “Picture it” includes the lyrics “in something foreign soarin’ 145”
* The song “One Four Five” (on the Cat Empire album) by the Cat Empire
* [http://www.145street.com 145th Street blues band]
* Tsuu T'ina Nation 145 Indian reserve in Alberta, Canada
* The 2004 film “ [http://www.imdb.com/title/tt0439239 Love and 145 Watts] ” starring Jessica Baxter
* The atomic number of [http://www.flw.com/datatools/periodic/001.php?id=145 Unquadpentium]
* 145 mg medicine tablets, as with Tricor

ee also

* List of highways numbered 145
* United Nations Security Council Resolution 145
* United States Supreme Court cases, Volume 145

External link

* [http://www.ibewlocal145.com International Brotherhood of Electrical Workers Local 145]

References

* Wells, D. "The Penguin Dictionary of Curious and Interesting Numbers" London: Penguin Group. (1987): 140