45325657 has 4 divisors (see below), whose sum is σ = 48812260. Its totient is φ = 41839056.

The previous prime is 45325639. The next prime is 45325673. The reversal of 45325657 is 75652354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75652354 = 2 ⋅37826177.

It can be written as a sum of positive squares in 2 ways, for example, as 30702681 + 14622976 = 5541^2 + 3824^2 .

It is a cyclic number.

It is not a de Polignac number, because 45325657 - 2⁷ = 45325529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45323657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743282 + ... + 1743307.

It is an arithmetic number, because the mean of its divisors is an integer number (12203065).

Almost surely, 2^45325657 is an apocalyptic number.

It is an amenable number.

45325657 is a deficient number, since it is larger than the sum of its proper divisors (3486603).

45325657 is a wasteful number, since it uses less digits than its factorization.

45325657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486602.

The product of its digits is 126000, while the sum is 37.

The square root of 45325657 is about 6732.4332154133. The cubic root of 45325657 is about 356.5452891010.

The spelling of 45325657 in words is "forty-five million, three hundred twenty-five thousand, six hundred fifty-seven".