345164392 has 8 divisors (see below), whose sum is σ = 647183250. Its totient is φ = 172582192.

The previous prime is 345164377. The next prime is 345164419. The reversal of 345164392 is 293461543.

It can be written as a sum of positive squares in only one way, i.e., 198415396 + 146748996 = 14086^2 + 12114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572767 + ... + 21572782.

Almost surely, 2^345164392 is an apocalyptic number.

It is an amenable number.

345164392 is a deficient number, since it is larger than the sum of its proper divisors (302018858).

345164392 is a wasteful number, since it uses less digits than its factorization.

345164392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43145555 (or 43145551 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 345164392 is about 18578.6003778541. The cubic root of 345164392 is about 701.4692893365.

The spelling of 345164392 in words is "three hundred forty-five million, one hundred sixty-four thousand, three hundred ninety-two".