45620631 has 32 divisors (see below), whose sum is σ = 77606400. Its totient is φ = 25945920.

The previous prime is 45620587. The next prime is 45620633. The reversal of 45620631 is 13602654.

45620631 is a `hidden beast` number, since 4 + 5 + 6 + 20 + 631 = 666.

It is not a de Polignac number, because 45620631 - 2¹¹ = 45618583 is a prime.

It is a super-2 number, since 2×45620631² = 4162483945676322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45620595 and 45620604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45620633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52680 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (2425200).

Almost surely, 2^45620631 is an apocalyptic number.

45620631 is a deficient number, since it is larger than the sum of its proper divisors (31985769).

45620631 is a wasteful number, since it uses less digits than its factorization.

45620631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45620631 is about 6754.3046274209. The cubic root of 45620631 is about 357.3170687823.

The spelling of 45620631 in words is "forty-five million, six hundred twenty thousand, six hundred thirty-one".