45947080 has 16 divisors (see below), whose sum is σ = 103381020. Its totient is φ = 18378816.

The previous prime is 45947063. The next prime is 45947093. The reversal of 45947080 is 8074954.

It can be written as a sum of positive squares in 2 ways, for example, as 43797924 + 2149156 = 6618^2 + 1466^2 .

It is a super-2 number, since 2×45947080² = 4222268321052800, which contains 22 as substring.

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, 574299 + ... + 574378.

Almost surely, 2^45947080 is an apocalyptic number.

45947080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45947080 is an abundant number, since it is smaller than the sum of its proper divisors (57433940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45947080 is a wasteful number, since it uses less digits than its factorization.

45947080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148688 (or 1148684 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 45947080 is about 6778.4275462676. The cubic root of 45947080 is about 358.1673322806.

The spelling of 45947080 in words is "forty-five million, nine hundred forty-seven thousand, eighty".