45009804 has 48 divisors (see below), whose sum is σ = 125250048. Its totient is φ = 12300288.

The previous prime is 45009793. The next prime is 45009817. The reversal of 45009804 is 40890054.

It is a super-2 number, since 2×45009804² = 4051764912236832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9717 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (2609376).

Almost surely, 2^45009804 is an apocalyptic number.

It is an amenable number.

45009804 is an abundant number, since it is smaller than the sum of its proper divisors (80240244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45009804 is a wasteful number, since it uses less digits than its factorization.

45009804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23334 (or 23332 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 45009804 is about 6708.9346397174. The cubic root of 45009804 is about 355.7151595229.

Adding to 45009804 its reverse (40890054), we get a palindrome (85899858).

The spelling of 45009804 in words is "forty-five million, nine thousand, eight hundred four".