345972238112 has 18 divisors (see below), whose sum is σ = 681139394523. Its totient is φ = 172984455392.

The previous prime is 345972238099. The next prime is 345972238151. The reversal of 345972238112 is 211832279543.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 172986119056 + 172986119056 = 415916^2 + 415916^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=415916.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3275339 + ... + 3379317.

Almost surely, 2^345972238112 is an apocalyptic number.

345972238112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345972238112 is a deficient number, since it is larger than the sum of its proper divisors (335167156411).

345972238112 is an frugal number, since it uses more digits than its factorization.

345972238112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207968 (or 103981 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 345972238112 in words is "three hundred forty-five billion, nine hundred seventy-two million, two hundred thirty-eight thousand, one hundred twelve".