45004272 has 20 divisors (see below), whose sum is σ = 116261160. Its totient is φ = 15001408.

The previous prime is 45004249. The next prime is 45004291. The reversal of 45004272 is 27240054.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468747 + ... + 468842.

It is an arithmetic number, because the mean of its divisors is an integer number (5813058).

Almost surely, 2^45004272 is an apocalyptic number.

It is an amenable number.

45004272 is an abundant number, since it is smaller than the sum of its proper divisors (71256888).

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

45004272 is a wasteful number, since it uses less digits than its factorization.

45004272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937600 (or 937594 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 45004272 is about 6708.5223410226. The cubic root of 45004272 is about 355.7005856841.

The spelling of 45004272 in words is "forty-five million, four thousand, two hundred seventy-two".