45570331 has 2 divisors, whose sum is σ = 45570332. Its totient is φ = 45570330.

The previous prime is 45570299. The next prime is 45570377. The reversal of 45570331 is 13307554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45570331 - 2⁵ = 45570299 is a prime.

It is a super-2 number, since 2×45570331² = 4153310134899122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45570331.

It is not a weakly prime, because it can be changed into another prime (45570391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22785165 + 22785166.

It is an arithmetic number, because the mean of its divisors is an integer number (22785166).

Almost surely, 2^45570331 is an apocalyptic number.

45570331 is a deficient number, since it is larger than the sum of its proper divisors (1).

45570331 is an equidigital number, since it uses as much as digits as its factorization.

45570331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 45570331 is about 6750.5800491513. The cubic root of 45570331 is about 357.1856979694.

Adding to 45570331 its reverse (13307554), we get a palindrome (58877885).

The spelling of 45570331 in words is "forty-five million, five hundred seventy thousand, three hundred thirty-one".