45858391 has 2 divisors, whose sum is σ = 45858392. Its totient is φ = 45858390.

The previous prime is 45858359. The next prime is 45858437. The reversal of 45858391 is 19385854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45858391 - 2⁵ = 45858359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45858311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22929195 + 22929196.

It is an arithmetic number, because the mean of its divisors is an integer number (22929196).

Almost surely, 2^45858391 is an apocalyptic number.

45858391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45858391 is an equidigital number, since it uses as much as digits as its factorization.

45858391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 43.

The square root of 45858391 is about 6771.8823823218. The cubic root of 45858391 is about 357.9367339281.

The spelling of 45858391 in words is "forty-five million, eight hundred fifty-eight thousand, three hundred ninety-one".