345255776 has 12 divisors (see below), whose sum is σ = 679722372. Its totient is φ = 172627872.

The previous prime is 345255767. The next prime is 345255803. The reversal of 345255776 is 677552543.

It is a super-2 number, since 2×345255776² = 238403101722724352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5394590 + ... + 5394653.

It is an arithmetic number, because the mean of its divisors is an integer number (56643531).

Almost surely, 2^345255776 is an apocalyptic number.

It is an amenable number.

345255776 is a deficient number, since it is larger than the sum of its proper divisors (334466596).

345255776 is a wasteful number, since it uses less digits than its factorization.

345255776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10789253 (or 10789245 counting only the distinct ones).

The product of its digits is 882000, while the sum is 44.

The square root of 345255776 is about 18581.0596038009. The cubic root of 345255776 is about 701.5311897089.

The spelling of 345255776 in words is "three hundred forty-five million, two hundred fifty-five thousand, seven hundred seventy-six".