45218864 has 10 divisors (see below), whose sum is σ = 87611580. Its totient is φ = 22609424.

The previous prime is 45218819. The next prime is 45218909. The reversal of 45218864 is 46881254.

It is a happy number.

45218864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45218819) and next prime (45218909).

It is a super-2 number, since 2×45218864² = 4089491322900992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413074 + ... + 1413105.

It is an arithmetic number, because the mean of its divisors is an integer number (8761158).

Almost surely, 2^45218864 is an apocalyptic number.

It is an amenable number.

45218864 is a deficient number, since it is larger than the sum of its proper divisors (42392716).

45218864 is a wasteful number, since it uses less digits than its factorization.

45218864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826187 (or 2826181 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 45218864 is about 6724.4973046318. The cubic root of 45218864 is about 356.2650469073.

The spelling of 45218864 in words is "forty-five million, two hundred eighteen thousand, eight hundred sixty-four".