45977458 has 8 divisors (see below), whose sum is σ = 70830252. Its totient is φ = 22367376.

The previous prime is 45977431. The next prime is 45977497. The reversal of 45977458 is 85477954.

It can be written as a sum of positive squares in 2 ways, for example, as 45927729 + 49729 = 6777^2 + 223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45977458² = 4227853288283528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310585 + ... + 310732.

Almost surely, 2^45977458 is an apocalyptic number.

45977458 is a deficient number, since it is larger than the sum of its proper divisors (24852794).

45977458 is a wasteful number, since it uses less digits than its factorization.

45977458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621356.

The product of its digits is 1411200, while the sum is 49.

The square root of 45977458 is about 6780.6679611967. The cubic root of 45977458 is about 358.2462492305.

The spelling of 45977458 in words is "forty-five million, nine hundred seventy-seven thousand, four hundred fifty-eight".