45400557 has 16 divisors (see below), whose sum is σ = 67469760. Its totient is φ = 26986752.

The previous prime is 45400549. The next prime is 45400603. The reversal of 45400557 is 75500454.

It is not a de Polignac number, because 45400557 - 2³ = 45400549 is a prime.

It is a super-2 number, since 2×45400557² = 4122421151820498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45400507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22458 + ... + 24395.

It is an arithmetic number, because the mean of its divisors is an integer number (4216860).

Almost surely, 2^45400557 is an apocalyptic number.

It is an amenable number.

45400557 is a deficient number, since it is larger than the sum of its proper divisors (22069203).

45400557 is a wasteful number, since it uses less digits than its factorization.

45400557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46892.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 45400557 is about 6737.9935440753. The cubic root of 45400557 is about 356.7415763505.

The spelling of 45400557 in words is "forty-five million, four hundred thousand, five hundred fifty-seven".