345443278251 has 16 divisors (see below), whose sum is σ = 475540144128. Its totient is φ = 222909422400.

The previous prime is 345443278247. The next prime is 345443278253. The reversal of 345443278251 is 152872344543.

It is not a de Polignac number, because 345443278251 - 2² = 345443278247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345443278251.

It is not an unprimeable number, because it can be changed into a prime (345443278253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11041395 + ... + 11072636.

It is an arithmetic number, because the mean of its divisors is an integer number (29721259008).

Almost surely, 2^345443278251 is an apocalyptic number.

345443278251 is a deficient number, since it is larger than the sum of its proper divisors (130096865877).

345443278251 is a wasteful number, since it uses less digits than its factorization.

345443278251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22114202.

The product of its digits is 3225600, while the sum is 48.

The spelling of 345443278251 in words is "three hundred forty-five billion, four hundred forty-three million, two hundred seventy-eight thousand, two hundred fifty-one".