Fait général: 40245 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 40245 is an unremarkable number.
Culture générale: 40245 is an uninteresting number.
Date historique: March 9th is the day in 141 BC that Liu Che, posthumously known as Emperor Wu of Han, assumes the throne over the Han Dynasty of China.