45663656 has 16 divisors (see below), whose sum is σ = 85693140. Its totient is φ = 22812160.

The previous prime is 45663643. The next prime is 45663689. The reversal of 45663656 is 65636654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39262756 + 6400900 = 6266^2 + 2530^2 .

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, 13496 + ... + 16536.

Almost surely, 2^45663656 is an apocalyptic number.

It is an amenable number.

45663656 is a deficient number, since it is larger than the sum of its proper divisors (40029484).

45663656 is a wasteful number, since it uses less digits than its factorization.

45663656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924 (or 4920 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The square root of 45663656 is about 6757.4888827138. The cubic root of 45663656 is about 357.4293625415.

The spelling of 45663656 in words is "forty-five million, six hundred sixty-three thousand, six hundred fifty-six".