45189964 has 6 divisors (see below), whose sum is σ = 79082444. Its totient is φ = 22594980.

The previous prime is 45189941. The next prime is 45189979. The reversal of 45189964 is 46998154.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5648742 + ... + 5648749.

Almost surely, 2^45189964 is an apocalyptic number.

It is an amenable number.

45189964 is a deficient number, since it is larger than the sum of its proper divisors (33892480).

45189964 is a wasteful number, since it uses less digits than its factorization.

45189964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297495 (or 11297493 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 45189964 is about 6722.3481016680. The cubic root of 45189964 is about 356.1891327631.

The spelling of 45189964 in words is "forty-five million, one hundred eighty-nine thousand, nine hundred sixty-four".