345875215 has 32 divisors (see below), whose sum is σ = 492503040. Its totient is φ = 228182400.

The previous prime is 345875197. The next prime is 345875227. The reversal of 345875215 is 512578543.

It is not a de Polignac number, because 345875215 - 2²⁷ = 211657487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206401 + ... + 208069.

It is an arithmetic number, because the mean of its divisors is an integer number (15390720).

Almost surely, 2^345875215 is an apocalyptic number.

345875215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345875215 is a deficient number, since it is larger than the sum of its proper divisors (146627825).

345875215 is a wasteful number, since it uses less digits than its factorization.

345875215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903.

The product of its digits is 168000, while the sum is 40.

The square root of 345875215 is about 18597.7206936764. The cubic root of 345875215 is about 701.9504886578.

The spelling of 345875215 in words is "three hundred forty-five million, eight hundred seventy-five thousand, two hundred fifteen".