Fatto generale: 1045 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1045 is an octagonal pyramidal number.
Trivia: 1045 is an unremarkable number.
Data storica: November 10th is the day in 1847 that the passenger ship Stephen Whitney is wrecked in thick fog off the southern coast of Ireland, killing 92 of the 110 on board.