45042404 has 24 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 20427680.

The previous prime is 45042391. The next prime is 45042419. The reversal of 45042404 is 40424054.

It is a self number, because there is not a number n which added to its sum of digits gives 45042404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25502 + ... + 27210.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^45042404 is an apocalyptic number.

45042404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45042404 is a deficient number, since it is larger than the sum of its proper divisors (41141596).

45042404 is a wasteful number, since it uses less digits than its factorization.

45042404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 45042404 is about 6711.3637958317. The cubic root of 45042404 is about 355.8010187107.

Adding to 45042404 its reverse (40424054), we get a palindrome (85466458).

The spelling of 45042404 in words is "forty-five million, forty-two thousand, four hundred four".