Fait mathématique: 82945 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 82945 is an unremarkable number.
Date historique: February 4th is the day in 1820 that the Chilean Navy under the command of Lord Cochrane completes the 2 day long Capture of Valdivia with just 300 men and 2 ships.