345442472 has 16 divisors (see below), whose sum is σ = 648172800. Its totient is φ = 172596400.

The previous prime is 345442453. The next prime is 345442483. The reversal of 345442472 is 274244543.

It is a super-2 number, since 2×345442472² = 238661002922941568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (40510800).

Almost surely, 2^345442472 is an apocalyptic number.

It is an amenable number.

345442472 is a deficient number, since it is larger than the sum of its proper divisors (302730328).

345442472 is a wasteful number, since it uses less digits than its factorization.

345442472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31216 (or 31212 counting only the distinct ones).

The product of its digits is 107520, while the sum is 35.

The square root of 345442472 is about 18586.0827502731. The cubic root of 345442472 is about 701.6576172016.

The spelling of 345442472 in words is "three hundred forty-five million, four hundred forty-two thousand, four hundred seventy-two".