45637574 has 4 divisors (see below), whose sum is σ = 68456364. Its totient is φ = 22818786.

The previous prime is 45637547. The next prime is 45637583. The reversal of 45637574 is 47573654.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11409392 + ... + 11409395.

It is an arithmetic number, because the mean of its divisors is an integer number (17114091).

Almost surely, 2^45637574 is an apocalyptic number.

45637574 is a deficient number, since it is larger than the sum of its proper divisors (22818790).

45637574 is a wasteful number, since it uses less digits than its factorization.

45637574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818789.

The product of its digits is 352800, while the sum is 41.

The square root of 45637574 is about 6755.5587481718. The cubic root of 45637574 is about 357.3612978489.

The spelling of 45637574 in words is "forty-five million, six hundred thirty-seven thousand, five hundred seventy-four".