45547932 has 12 divisors (see below), whose sum is σ = 106278536. Its totient is φ = 15182640.

The previous prime is 45547919. The next prime is 45547949. The reversal of 45547932 is 23974554.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×45547932² = 4149228218953248, 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, 1897819 + ... + 1897842.

Almost surely, 2^45547932 is an apocalyptic number.

It is an amenable number.

45547932 is an abundant number, since it is smaller than the sum of its proper divisors (60730604).

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

45547932 is a wasteful number, since it uses less digits than its factorization.

45547932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795668 (or 3795666 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 45547932 is about 6748.9208026173. The cubic root of 45547932 is about 357.1271663659.

The spelling of 45547932 in words is "forty-five million, five hundred forty-seven thousand, nine hundred thirty-two".