45977572 has 6 divisors (see below), whose sum is σ = 80460758. Its totient is φ = 22988784.

The previous prime is 45977567. The next prime is 45977593. The reversal of 45977572 is 27577954.

It can be written as a sum of positive squares in only one way, i.e., 40246336 + 5731236 = 6344^2 + 2394^2 .

It is a super-2 number, since 2×45977572² = 4227874254030368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747193 + ... + 5747200.

Almost surely, 2^45977572 is an apocalyptic number.

It is an amenable number.

45977572 is a deficient number, since it is larger than the sum of its proper divisors (34483186).

45977572 is a wasteful number, since it uses less digits than its factorization.

45977572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494397 (or 11494395 counting only the distinct ones).

The product of its digits is 617400, while the sum is 46.

The square root of 45977572 is about 6780.6763674430. The cubic root of 45977572 is about 358.2465453179.

The spelling of 45977572 in words is "forty-five million, nine hundred seventy-seven thousand, five hundred seventy-two".