45972631 has 2 divisors, whose sum is σ = 45972632. Its totient is φ = 45972630.

The previous prime is 45972617. The next prime is 45972649. The reversal of 45972631 is 13627954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45972631 - 2⁵ = 45972599 is a prime.

It is a super-2 number, since 2×45972631² = 4226965602124322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45972671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22986315 + 22986316.

It is an arithmetic number, because the mean of its divisors is an integer number (22986316).

Almost surely, 2^45972631 is an apocalyptic number.

45972631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45972631 is an equidigital number, since it uses as much as digits as its factorization.

45972631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 45972631 is about 6780.3120134696. The cubic root of 45972631 is about 358.2337118173.

The spelling of 45972631 in words is "forty-five million, nine hundred seventy-two thousand, six hundred thirty-one".