45999664 has 10 divisors (see below), whose sum is σ = 89124380. Its totient is φ = 22999824.

The previous prime is 45999661. The next prime is 45999683. The reversal of 45999664 is 46699954.

It is a super-2 number, since 2×45999664² = 4231938176225792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45999661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437474 + ... + 1437505.

It is an arithmetic number, because the mean of its divisors is an integer number (8912438).

Almost surely, 2^45999664 is an apocalyptic number.

It is an amenable number.

45999664 is a deficient number, since it is larger than the sum of its proper divisors (43124716).

45999664 is a wasteful number, since it uses less digits than its factorization.

45999664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874987 (or 2874981 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 45999664 is about 6782.3052128314. The cubic root of 45999664 is about 358.3039147052.

The spelling of 45999664 in words is "forty-five million, nine hundred ninety-nine thousand, six hundred sixty-four".