45574557 has 48 divisors (see below), whose sum is σ = 74506752. Its totient is φ = 24675840.

The previous prime is 45574519. The next prime is 45574561. The reversal of 45574557 is 75547554.

It is a happy number.

It is not a de Polignac number, because 45574557 - 2⁷ = 45574429 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45574517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332593 + ... + 332729.

It is an arithmetic number, because the mean of its divisors is an integer number (1552224).

Almost surely, 2^45574557 is an apocalyptic number.

It is an amenable number.

45574557 is a deficient number, since it is larger than the sum of its proper divisors (28932195).

45574557 is a wasteful number, since it uses less digits than its factorization.

45574557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 251 counting only the distinct ones).

The product of its digits is 490000, while the sum is 42.

The square root of 45574557 is about 6750.8930520339. The cubic root of 45574557 is about 357.1967389257.

The spelling of 45574557 in words is "forty-five million, five hundred seventy-four thousand, five hundred fifty-seven".