345442708515 has 64 divisors (see below), whose sum is σ = 616540377600. Its totient is φ = 164410444800.

The previous prime is 345442708489. The next prime is 345442708601. The reversal of 345442708515 is 515807244543.

It is not a de Polignac number, because 345442708515 - 2²⁰ = 345441659939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170841 + ... + 848570.

It is an arithmetic number, because the mean of its divisors is an integer number (9633443400).

Almost surely, 2^345442708515 is an apocalyptic number.

345442708515 is a deficient number, since it is larger than the sum of its proper divisors (271097669085).

345442708515 is a wasteful number, since it uses less digits than its factorization.

345442708515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019508.

The product of its (nonzero) digits is 2688000, while the sum is 48.

The spelling of 345442708515 in words is "three hundred forty-five billion, four hundred forty-two million, seven hundred eight thousand, five hundred fifteen".