45458591 has 2 divisors, whose sum is σ = 45458592. Its totient is φ = 45458590.

The previous prime is 45458587. The next prime is 45458593. The reversal of 45458591 is 19585454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45458591 - 2² = 45458587 is a prime.

Together with 45458593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45458593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22729295 + 22729296.

It is an arithmetic number, because the mean of its divisors is an integer number (22729296).

Almost surely, 2^45458591 is an apocalyptic number.

45458591 is a deficient number, since it is larger than the sum of its proper divisors (1).

45458591 is an equidigital number, since it uses as much as digits as its factorization.

45458591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 41.

The square root of 45458591 is about 6742.2986436378. The cubic root of 45458591 is about 356.8935152025.

The spelling of 45458591 in words is "forty-five million, four hundred fifty-eight thousand, five hundred ninety-one".