345631875 has 20 divisors (see below), whose sum is σ = 575871912. Its totient is φ = 184336000.

The previous prime is 345631861. The next prime is 345631931. The reversal of 345631875 is 578136543.

It is not a de Polignac number, because 345631875 - 2⁸ = 345631619 is a prime.

It is a super-2 number, since 2×345631875² = 238922786032031250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90294 + ... + 94043.

Almost surely, 2^345631875 is an apocalyptic number.

345631875 is a deficient number, since it is larger than the sum of its proper divisors (230240037).

345631875 is an equidigital number, since it uses as much as digits as its factorization.

345631875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184360 (or 184345 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 345631875 is about 18591.1773430302. The cubic root of 345631875 is about 701.7858312915.

The spelling of 345631875 in words is "three hundred forty-five million, six hundred thirty-one thousand, eight hundred seventy-five".