45637665 has 16 divisors (see below), whose sum is σ = 73392000. Its totient is φ = 24216192.

The previous prime is 45637651. The next prime is 45637703. The reversal of 45637665 is 56673654.

It is not a de Polignac number, because 45637665 - 2¹¹ = 45635617 is a prime.

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, 4660 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (4587000).

Almost surely, 2^45637665 is an apocalyptic number.

It is an amenable number.

45637665 is a deficient number, since it is larger than the sum of its proper divisors (27754335).

45637665 is a wasteful number, since it uses less digits than its factorization.

45637665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15496.

The product of its digits is 453600, while the sum is 42.

The square root of 45637665 is about 6755.5654833626. The cubic root of 45637665 is about 357.3615353714.

The spelling of 45637665 in words is "forty-five million, six hundred thirty-seven thousand, six hundred sixty-five".