45171932 has 12 divisors (see below), whose sum is σ = 85131816. Its totient is φ = 20848560.

The previous prime is 45171923. The next prime is 45171967. The reversal of 45171932 is 23917154.

It is a super-2 number, since 2×45171932² = 4081006881225248, 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, 434294 + ... + 434397.

It is an arithmetic number, because the mean of its divisors is an integer number (7094318).

Almost surely, 2^45171932 is an apocalyptic number.

It is an amenable number.

45171932 is a deficient number, since it is larger than the sum of its proper divisors (39959884).

45171932 is a wasteful number, since it uses less digits than its factorization.

45171932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868708 (or 868706 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 45171932 is about 6721.0067698225. The cubic root of 45171932 is about 356.1417501413.

The spelling of 45171932 in words is "forty-five million, one hundred seventy-one thousand, nine hundred thirty-two".