45635731 has 12 divisors (see below), whose sum is σ = 47433112. Its totient is φ = 43897248.

The previous prime is 45635719. The next prime is 45635743. The reversal of 45635731 is 13753654.

It is an interprime number because it is at equal distance from previous prime (45635719) and next prime (45635743).

It is not a de Polignac number, because 45635731 - 2⁵ = 45635699 is a prime.

It is a super-2 number, since 2×45635731² = 4165239887808722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (37800) is a multiple of the sum of its prime factors (450).

It is not an unprimeable number, because it can be changed into a prime (45635791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161116 + ... + 161398.

Almost surely, 2^45635731 is an apocalyptic number.

45635731 is a deficient number, since it is larger than the sum of its proper divisors (1797381).

45635731 is an equidigital number, since it uses as much as digits as its factorization.

45635731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 403 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 45635731 is about 6755.4223406091. The cubic root of 45635731 is about 357.3564872971.

The spelling of 45635731 in words is "forty-five million, six hundred thirty-five thousand, seven hundred thirty-one".