345731866755 has 144 divisors (see below), whose sum is σ = 636746697216. Its totient is φ = 159993152000.

The previous prime is 345731866729. The next prime is 345731866769. The reversal of 345731866755 is 557668137543.

It is not a de Polignac number, because 345731866755 - 2⁸ = 345731866499 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 143396500 + ... + 143398910.

It is an arithmetic number, because the mean of its divisors is an integer number (4421852064).

Almost surely, 2^345731866755 is an apocalyptic number.

345731866755 is a deficient number, since it is larger than the sum of its proper divisors (291014830461).

345731866755 is a wasteful number, since it uses less digits than its factorization.

345731866755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570 (or 2518 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 60.

The spelling of 345731866755 in words is "three hundred forty-five billion, seven hundred thirty-one million, eight hundred sixty-six thousand, seven hundred fifty-five".