45400578 has 16 divisors (see below), whose sum is σ = 90996480. Its totient is φ = 15100976.

The previous prime is 45400549. The next prime is 45400603. The reversal of 45400578 is 87500454.

It is a super-2 number, since 2×45400578² = 4122424965468168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5025 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (5687280).

Almost surely, 2^45400578 is an apocalyptic number.

45400578 is an abundant number, since it is smaller than the sum of its proper divisors (45595902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45400578 is a wasteful number, since it uses less digits than its factorization.

45400578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16281.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45400578 is about 6737.9951024025. The cubic root of 45400578 is about 356.7416313541.

The spelling of 45400578 in words is "forty-five million, four hundred thousand, five hundred seventy-eight".