45471864 has 32 divisors (see below), whose sum is σ = 119664000. Its totient is φ = 14359392.

The previous prime is 45471863. The next prime is 45471871. The reversal of 45471864 is 46817454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45471863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49404 + ... + 50315.

It is an arithmetic number, because the mean of its divisors is an integer number (3739500).

Almost surely, 2^45471864 is an apocalyptic number.

It is an amenable number.

45471864 is an abundant number, since it is smaller than the sum of its proper divisors (74192136).

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

45471864 is a wasteful number, since it uses less digits than its factorization.

45471864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99747 (or 99743 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 45471864 is about 6743.2828800222. The cubic root of 45471864 is about 356.9282470801.

The spelling of 45471864 in words is "forty-five million, four hundred seventy-one thousand, eight hundred sixty-four".