45957878 has 4 divisors (see below), whose sum is σ = 68936820. Its totient is φ = 22978938.

The previous prime is 45957859. The next prime is 45957881. The reversal of 45957878 is 87875954.

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

It is a super-2 number, since 2×45957878² = 4224253100525768, which contains 22 as substring.

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, 11489468 + ... + 11489471.

It is an arithmetic number, because the mean of its divisors is an integer number (17234205).

Almost surely, 2^45957878 is an apocalyptic number.

45957878 is a deficient number, since it is larger than the sum of its proper divisors (22978942).

45957878 is a wasteful number, since it uses less digits than its factorization.

45957878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22978941.

The product of its digits is 2822400, while the sum is 53.

The square root of 45957878 is about 6779.2239968893. The cubic root of 45957878 is about 358.1953876574.

The spelling of 45957878 in words is "forty-five million, nine hundred fifty-seven thousand, eight hundred seventy-eight".