439161345 has 160 divisors (see below), whose sum is σ = 981319680. Its totient is φ = 183358080.

The previous prime is 439161329. The next prime is 439161353. The reversal of 439161345 is 543161934.

439161345 is a `hidden beast` number, since 4 + 39 + 1 + 613 + 4 + 5 = 666.

It is not a de Polignac number, because 439161345 - 2⁴ = 439161329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1669684 + ... + 1669946.

It is an arithmetic number, because the mean of its divisors is an integer number (6133248).

Almost surely, 2^439161345 is an apocalyptic number.

439161345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

439161345 is an abundant number, since it is smaller than the sum of its proper divisors (542158335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439161345 is a wasteful number, since it uses less digits than its factorization.

439161345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 328 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 439161345 is about 20956.1767744023. The cubic root of 439161345 is about 760.1069476689.

The spelling of 439161345 in words is "four hundred thirty-nine million, one hundred sixty-one thousand, three hundred forty-five".