45817389 has 12 divisors (see below), whose sum is σ = 66248416. Its totient is φ = 30513672.

The previous prime is 45817367. The next prime is 45817391. The reversal of 45817389 is 98371854.

It is not a de Polignac number, because 45817389 - 2⁸ = 45817133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45817399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9774 + ... + 13680.

Almost surely, 2^45817389 is an apocalyptic number.

It is an amenable number.

45817389 is a deficient number, since it is larger than the sum of its proper divisors (20431027).

45817389 is a wasteful number, since it uses less digits than its factorization.

45817389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216 (or 5213 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 45817389 is about 6768.8543343759. The cubic root of 45817389 is about 357.8300250082.

The spelling of 45817389 in words is "forty-five million, eight hundred seventeen thousand, three hundred eighty-nine".