345255656 has 16 divisors (see below), whose sum is σ = 647599200. Its totient is φ = 172562544.

The previous prime is 345255641. The next prime is 345255661. The reversal of 345255656 is 656552543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20051 + ... + 33053.

It is an arithmetic number, because the mean of its divisors is an integer number (40474950).

Almost surely, 2^345255656 is an apocalyptic number.

It is an amenable number.

345255656 is a deficient number, since it is larger than the sum of its proper divisors (302343544).

345255656 is a wasteful number, since it uses less digits than its factorization.

345255656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16328 (or 16324 counting only the distinct ones).

The product of its digits is 540000, while the sum is 41.

The square root of 345255656 is about 18581.0563747059. The cubic root of 345255656 is about 701.5311084322.

The spelling of 345255656 in words is "three hundred forty-five million, two hundred fifty-five thousand, six hundred fifty-six".