345192272 has 40 divisors (see below), whose sum is σ = 679751136. Its totient is φ = 169796736.

The previous prime is 345192271. The next prime is 345192283. The reversal of 345192272 is 272291543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345192271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278438 + ... + 279674.

Almost surely, 2^345192272 is an apocalyptic number.

It is an amenable number.

345192272 is a deficient number, since it is larger than the sum of its proper divisors (334558864).

345192272 is a wasteful number, since it uses less digits than its factorization.

345192272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1509 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 345192272 is about 18579.3506883314. The cubic root of 345192272 is about 701.4881754458.

The spelling of 345192272 in words is "three hundred forty-five million, one hundred ninety-two thousand, two hundred seventy-two".