345772844 has 24 divisors (see below), whose sum is σ = 636625248. Its totient is φ = 164108160.

The previous prime is 345772813. The next prime is 345772879. The reversal of 345772844 is 448277543.

It is a junction number, because it is equal to n+sod(n) for n = 345772795 and 345772804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22424 + ... + 34559.

It is an arithmetic number, because the mean of its divisors is an integer number (26526052).

Almost surely, 2^345772844 is an apocalyptic number.

It is an amenable number.

345772844 is a deficient number, since it is larger than the sum of its proper divisors (290852404).

345772844 is a wasteful number, since it uses less digits than its factorization.

345772844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57065 (or 57063 counting only the distinct ones).

The product of its digits is 752640, while the sum is 44.

The square root of 345772844 is about 18594.9682441245. The cubic root of 345772844 is about 701.8812281643.

The spelling of 345772844 in words is "three hundred forty-five million, seven hundred seventy-two thousand, eight hundred forty-four".