45578379 has 48 divisors (see below), whose sum is σ = 78402816. Its totient is φ = 23284800.

The previous prime is 45578329. The next prime is 45578381. The reversal of 45578379 is 97387554.

It is not a de Polignac number, because 45578379 - 2¹⁶ = 45512843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45578329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114609 + ... + 115005.

It is an arithmetic number, because the mean of its divisors is an integer number (1633392).

Almost surely, 2^45578379 is an apocalyptic number.

45578379 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45578379 is a deficient number, since it is larger than the sum of its proper divisors (32824437).

45578379 is a wasteful number, since it uses less digits than its factorization.

45578379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 489 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 45578379 is about 6751.1761197587. The cubic root of 45578379 is about 357.2067237935.

The spelling of 45578379 in words is "forty-five million, five hundred seventy-eight thousand, three hundred seventy-nine".