345255231 has 8 divisors (see below), whose sum is σ = 480355200. Its totient is φ = 220162712.

The previous prime is 345255223. The next prime is 345255263. The reversal of 345255231 is 132552543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345255231 - 2³ = 345255223 is a prime.

It is a super-2 number, since 2×345255231² = 238402349065726722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345255331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2501781 + ... + 2501918.

It is an arithmetic number, because the mean of its divisors is an integer number (60044400).

Almost surely, 2^345255231 is an apocalyptic number.

345255231 is a deficient number, since it is larger than the sum of its proper divisors (135099969).

345255231 is a wasteful number, since it uses less digits than its factorization.

345255231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003725.

The product of its digits is 18000, while the sum is 30.

The square root of 345255231 is about 18581.0449383236. The cubic root of 345255231 is about 701.5308205770.

The spelling of 345255231 in words is "three hundred forty-five million, two hundred fifty-five thousand, two hundred thirty-one".