Fait général: 43454 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 43454 is an unremarkable number.
Culture générale: 43454 is an unremarkable number.
Date historique: December 21st is the day in 1967 that Louis Washkansky, the first man to undergo a heart transplant, dies in Cape Town, South Africa, after living for 18 days after the transplant.