45444589 has 2 divisors, whose sum is σ = 45444590. Its totient is φ = 45444588.

The previous prime is 45444583. The next prime is 45444601. The reversal of 45444589 is 98544454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26347689 + 19096900 = 5133^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 45444589 - 2⁷ = 45444461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45444583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722294 + 22722295.

It is an arithmetic number, because the mean of its divisors is an integer number (22722295).

Almost surely, 2^45444589 is an apocalyptic number.

It is an amenable number.

45444589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444589 is an equidigital number, since it uses as much as digits as its factorization.

45444589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 43.

The square root of 45444589 is about 6741.2601937620. The cubic root of 45444589 is about 356.8568683989.

The spelling of 45444589 in words is "forty-five million, four hundred forty-four thousand, five hundred eighty-nine".