45745072 has 10 divisors (see below), whose sum is σ = 88631108. Its totient is φ = 22872528.

The previous prime is 45745067. The next prime is 45745099. The reversal of 45745072 is 27054754.

It is a super-2 number, since 2×45745072² = 4185223224570368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429518 + ... + 1429549.

Almost surely, 2^45745072 is an apocalyptic number.

It is an amenable number.

45745072 is a deficient number, since it is larger than the sum of its proper divisors (42886036).

45745072 is a wasteful number, since it uses less digits than its factorization.

45745072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859075 (or 2859069 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 45745072 is about 6763.5103311816. The cubic root of 45745072 is about 357.6416626050.

The spelling of 45745072 in words is "forty-five million, seven hundred forty-five thousand, seventy-two".