45664988 has 12 divisors (see below), whose sum is σ = 79961952. Its totient is φ = 22818720.

The previous prime is 45664979. The next prime is 45664991. The reversal of 45664988 is 88946654.

It is a happy number.

It is a super-2 number, since 2×45664988² = 4170582258080288, which contains 22 as substring.

It is a congruent number.

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, 9053 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (6663496).

Almost surely, 2^45664988 is an apocalyptic number.

It is an amenable number.

45664988 is a deficient number, since it is larger than the sum of its proper divisors (34296964).

45664988 is a wasteful number, since it uses less digits than its factorization.

45664988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6890 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 45664988 is about 6757.5874393159. The cubic root of 45664988 is about 357.4328378894.

The spelling of 45664988 in words is "forty-five million, six hundred sixty-four thousand, nine hundred eighty-eight".