45572489 has 2 divisors, whose sum is σ = 45572490. Its totient is φ = 45572488.

The previous prime is 45572479. The next prime is 45572509. The reversal of 45572489 is 98427554.

It is a happy number.

45572489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44448889 + 1123600 = 6667^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 45572489 - 2⁴ = 45572473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45572459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22786244 + 22786245.

It is an arithmetic number, because the mean of its divisors is an integer number (22786245).

Almost surely, 2^45572489 is an apocalyptic number.

It is an amenable number.

45572489 is a deficient number, since it is larger than the sum of its proper divisors (1).

45572489 is an equidigital number, since it uses as much as digits as its factorization.

45572489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 45572489 is about 6750.7398853755. The cubic root of 45572489 is about 357.1913361010.

The spelling of 45572489 in words is "forty-five million, five hundred seventy-two thousand, four hundred eighty-nine".