45637983 has 24 divisors (see below), whose sum is σ = 69902976. Its totient is φ = 28641600.

The previous prime is 45637951. The next prime is 45637993. The reversal of 45637983 is 38973654.

45637983 is a `hidden beast` number, since 4 + 5 + 637 + 9 + 8 + 3 = 666.

It is not a de Polignac number, because 45637983 - 2⁵ = 45637951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45637903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8113 + ... + 12533.

It is an arithmetic number, because the mean of its divisors is an integer number (2912624).

Almost surely, 2^45637983 is an apocalyptic number.

45637983 is a deficient number, since it is larger than the sum of its proper divisors (24264993).

45637983 is a wasteful number, since it uses less digits than its factorization.

45637983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4492 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 45637983 is about 6755.5890194712. The cubic root of 45637983 is about 357.3623653928.

The spelling of 45637983 in words is "forty-five million, six hundred thirty-seven thousand, nine hundred eighty-three".