345844172 has 12 divisors (see below), whose sum is σ = 605482416. Its totient is φ = 172849200.

The previous prime is 345844139. The next prime is 345844181. The reversal of 345844172 is 271448543.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6743 + ... + 27150.

It is an arithmetic number, because the mean of its divisors is an integer number (50456868).

Almost surely, 2^345844172 is an apocalyptic number.

It is an amenable number.

345844172 is a deficient number, since it is larger than the sum of its proper divisors (259638244).

345844172 is a wasteful number, since it uses less digits than its factorization.

345844172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36448 (or 36446 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 345844172 is about 18596.8860834281. The cubic root of 345844172 is about 701.9294875375.

The spelling of 345844172 in words is "three hundred forty-five million, eight hundred forty-four thousand, one hundred seventy-two".