45621164 has 12 divisors (see below), whose sum is σ = 79895088. Its totient is φ = 22794000.

The previous prime is 45621127. The next prime is 45621179. The reversal of 45621164 is 46112654.

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, 3689 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (6657924).

Almost surely, 2^45621164 is an apocalyptic number.

It is an amenable number.

45621164 is a deficient number, since it is larger than the sum of its proper divisors (34273924).

45621164 is a wasteful number, since it uses less digits than its factorization.

45621164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8296 (or 8294 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 45621164 is about 6754.3440836250. The cubic root of 45621164 is about 357.3184603256.

The spelling of 45621164 in words is "forty-five million, six hundred twenty-one thousand, one hundred sixty-four".