45697636 has 12 divisors (see below), whose sum is σ = 80108140. Its totient is φ = 22809600.

The previous prime is 45697633. The next prime is 45697643. The reversal of 45697636 is 63679654.

It can be written as a sum of positive squares in 2 ways, for example, as 38440000 + 7257636 = 6200^2 + 2694^2 .

It is not an unprimeable number, because it can be changed into a prime (45697633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7101 + ... + 11908.

Almost surely, 2^45697636 is an apocalyptic number.

It is an amenable number.

45697636 is a deficient number, since it is larger than the sum of its proper divisors (34410504).

45697636 is a wasteful number, since it uses less digits than its factorization.

45697636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614 (or 19612 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The square root of 45697636 is about 6760.0026627214. The cubic root of 45697636 is about 357.5179993220.

It can be divided in two parts, 456976 and 36, that multiplied together give a square (16451136 = 4056²).

The spelling of 45697636 in words is "forty-five million, six hundred ninety-seven thousand, six hundred thirty-six".