45712287 has 6 divisors (see below), whose sum is σ = 66028872. Its totient is φ = 30474852.

The previous prime is 45712231. The next prime is 45712301. The reversal of 45712287 is 78221754.

45712287 is a `hidden beast` number, since 4 + 571 + 2 + 2 + 87 = 666.

It is not a de Polignac number, because 45712287 - 2⁶ = 45712223 is a prime.

It is a super-2 number, since 2×45712287² = 4179226365540738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45712217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2539563 + ... + 2539580.

It is an arithmetic number, because the mean of its divisors is an integer number (11004812).

Almost surely, 2^45712287 is an apocalyptic number.

45712287 is a deficient number, since it is larger than the sum of its proper divisors (20316585).

45712287 is a wasteful number, since it uses less digits than its factorization.

45712287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079149 (or 5079146 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 45712287 is about 6761.0862292978. The cubic root of 45712287 is about 357.5562028775.

The spelling of 45712287 in words is "forty-five million, seven hundred twelve thousand, two hundred eighty-seven".