45684589 has 2 divisors, whose sum is σ = 45684590. Its totient is φ = 45684588.

The previous prime is 45684571. The next prime is 45684649. The reversal of 45684589 is 98548654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34515625 + 11168964 = 5875^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 45684589 - 2⁵ = 45684557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45684689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22842294 + 22842295.

It is an arithmetic number, because the mean of its divisors is an integer number (22842295).

Almost surely, 2^45684589 is an apocalyptic number.

It is an amenable number.

45684589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45684589 is an equidigital number, since it uses as much as digits as its factorization.

45684589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 49.

The square root of 45684589 is about 6759.0375794191. The cubic root of 45684589 is about 357.4839714397.

The spelling of 45684589 in words is "forty-five million, six hundred eighty-four thousand, five hundred eighty-nine".