45989379 has 24 divisors (see below), whose sum is σ = 68019120. Its totient is φ = 29933568.

The previous prime is 45989371. The next prime is 45989381. The reversal of 45989379 is 97398954.

It is not a de Polignac number, because 45989379 - 2³ = 45989371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45989371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136299 + ... + 136635.

It is an arithmetic number, because the mean of its divisors is an integer number (2834130).

Almost surely, 2^45989379 is an apocalyptic number.

45989379 is a deficient number, since it is larger than the sum of its proper divisors (22029741).

45989379 is a wasteful number, since it uses less digits than its factorization.

45989379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 656 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 45989379 is about 6781.5469474155. The cubic root of 45989379 is about 358.2772084924.

The spelling of 45989379 in words is "forty-five million, nine hundred eighty-nine thousand, three hundred seventy-nine".