45873864 has 40 divisors (see below), whose sum is σ = 128491110. Its totient is φ = 15291072.

The previous prime is 45873859. The next prime is 45873889. The reversal of 45873864 is 46837854.

45873864 is a `hidden beast` number, since 4 + 587 + 3 + 8 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 311364 = 6750^2 + 558^2 .

It is a super-2 number, since 2×45873864² = 4208822796580992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34749 + ... + 36044.

Almost surely, 2^45873864 is an apocalyptic number.

It is an amenable number.

45873864 is an abundant number, since it is smaller than the sum of its proper divisors (82617246).

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

45873864 is a wasteful number, since it uses less digits than its factorization.

45873864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70811 (or 70798 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 45873864 is about 6773.0247305026. The cubic root of 45873864 is about 357.9769863383.

The spelling of 45873864 in words is "forty-five million, eight hundred seventy-three thousand, eight hundred sixty-four".