45564590 has 32 divisors (see below), whose sum is σ = 87181920. Its totient is φ = 17086464.

The previous prime is 45564581. The next prime is 45564599. The reversal of 45564590 is 9546554.

It is an interprime number because it is at equal distance from previous prime (45564581) and next prime (45564599).

It is a super-2 number, since 2×45564590² = 4152263723736200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45564599) 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, 73301 + ... + 73919.

It is an arithmetic number, because the mean of its divisors is an integer number (2724435).

Almost surely, 2^45564590 is an apocalyptic number.

45564590 is a deficient number, since it is larger than the sum of its proper divisors (41617330).

45564590 is a wasteful number, since it uses less digits than its factorization.

45564590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 45564590 is about 6750.1548130395. The cubic root of 45564590 is about 357.1706977916.

The spelling of 45564590 in words is "forty-five million, five hundred sixty-four thousand, five hundred ninety".