45187864 has 16 divisors (see below), whose sum is σ = 86164200. Its totient is φ = 22210752.

The previous prime is 45187861. The next prime is 45187867. The reversal of 45187864 is 46878154.

It is an interprime number because it is at equal distance from previous prime (45187861) and next prime (45187867).

It is a self number, because there is not a number n which added to its sum of digits gives 45187864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45187861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47397 + ... + 48340.

Almost surely, 2^45187864 is an apocalyptic number.

It is an amenable number.

45187864 is a deficient number, since it is larger than the sum of its proper divisors (40976336).

45187864 is a wasteful number, since it uses less digits than its factorization.

45187864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95802 (or 95798 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 45187864 is about 6722.1919044312. The cubic root of 45187864 is about 356.1836152492.

The spelling of 45187864 in words is "forty-five million, one hundred eighty-seven thousand, eight hundred sixty-four".