345051272 has 16 divisors (see below), whose sum is σ = 652908300. Its totient is φ = 170942400.

The previous prime is 345051269. The next prime is 345051283. The reversal of 345051272 is 272150543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 342472036 + 2579236 = 18506^2 + 1606^2 .

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, 196979 + ... + 198722.

Almost surely, 2^345051272 is an apocalyptic number.

It is an amenable number.

345051272 is a deficient number, since it is larger than the sum of its proper divisors (307857028).

345051272 is a wasteful number, since it uses less digits than its factorization.

345051272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395816 (or 395812 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 345051272 is about 18575.5557655754. Note that the first 3 decimals coincide. The cubic root of 345051272 is about 701.3926506122.

The spelling of 345051272 in words is "three hundred forty-five million, fifty-one thousand, two hundred seventy-two".