45019589 has 2 divisors, whose sum is σ = 45019590. Its totient is φ = 45019588.

The previous prime is 45019489. The next prime is 45019603. The reversal of 45019589 is 98591054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31550689 + 13468900 = 5617^2 + 3670^2 .

It is a cyclic number.

It is not a de Polignac number, because 45019589 - 2²⁴ = 28242373 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 (45019489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22509794 + 22509795.

It is an arithmetic number, because the mean of its divisors is an integer number (22509795).

Almost surely, 2^45019589 is an apocalyptic number.

It is an amenable number.

45019589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45019589 is an equidigital number, since it uses as much as digits as its factorization.

45019589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 45019589 is about 6709.6638514906. The cubic root of 45019589 is about 355.7409348010.

The spelling of 45019589 in words is "forty-five million, nineteen thousand, five hundred eighty-nine".