345182723272 has 16 divisors (see below), whose sum is σ = 653889954060. Its totient is φ = 170812068864.

The previous prime is 345182723243. The next prime is 345182723279. The reversal of 345182723272 is 272327281543.

It can be written as a sum of positive squares in 2 ways, for example, as 323381019556 + 21801703716 = 568666^2 + 147654^2 .

It is a super-2 number, since 2×345182723272² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345182723279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222410773 + ... + 222412324.

Almost surely, 2^345182723272 is an apocalyptic number.

It is an amenable number.

345182723272 is a deficient number, since it is larger than the sum of its proper divisors (308707230788).

345182723272 is a wasteful number, since it uses less digits than its factorization.

345182723272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444823200 (or 444823196 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The spelling of 345182723272 in words is "three hundred forty-five billion, one hundred eighty-two million, seven hundred twenty-three thousand, two hundred seventy-two".