45312152 has 16 divisors (see below), whose sum is σ = 87890400. Its totient is φ = 21874720.

The previous prime is 45312149. The next prime is 45312187. The reversal of 45312152 is 25121354.

It is a super-2 number, since 2×45312152² = 4106382237742208, 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, 97424 + ... + 97887.

It is an arithmetic number, because the mean of its divisors is an integer number (5493150).

Almost surely, 2^45312152 is an apocalyptic number.

It is an amenable number.

45312152 is a deficient number, since it is larger than the sum of its proper divisors (42578248).

45312152 is a wasteful number, since it uses less digits than its factorization.

45312152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195346 (or 195342 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 45312152 is about 6731.4301600774. The cubic root of 45312152 is about 356.5098741157.

The spelling of 45312152 in words is "forty-five million, three hundred twelve thousand, one hundred fifty-two".