345564388 has 12 divisors (see below), whose sum is σ = 651256060. Its totient is φ = 159491232.

The previous prime is 345564361. The next prime is 345564391. The reversal of 345564388 is 883465543.

It can be written as a sum of positive squares in 2 ways, for example, as 36578304 + 308986084 = 6048^2 + 17578^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 3322683 + ... + 3322786.

Almost surely, 2^345564388 is an apocalyptic number.

It is an amenable number.

345564388 is a deficient number, since it is larger than the sum of its proper divisors (305691672).

345564388 is a wasteful number, since it uses less digits than its factorization.

345564388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645486 (or 6645484 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The square root of 345564388 is about 18589.3622268221. The cubic root of 345564388 is about 701.7401521487.

The spelling of 345564388 in words is "three hundred forty-five million, five hundred sixty-four thousand, three hundred eighty-eight".