45237272 has 32 divisors (see below), whose sum is σ = 90493200. Its totient is φ = 21126144.

The previous prime is 45237259. The next prime is 45237281. The reversal of 45237272 is 27273254.

It is a congruent number.

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, 17708 + ... + 20100.

Almost surely, 2^45237272 is an apocalyptic number.

It is an amenable number.

45237272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

45237272 is a wasteful number, since it uses less digits than its factorization.

45237272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 2551 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 45237272 is about 6725.8658922105. The cubic root of 45237272 is about 356.3133839411.

The spelling of 45237272 in words is "forty-five million, two hundred thirty-seven thousand, two hundred seventy-two".