345161851273 has 4 divisors (see below), whose sum is σ = 345445469460. Its totient is φ = 344878233088.

The previous prime is 345161851261. The next prime is 345161851289. The reversal of 345161851273 is 372158161543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53570491209 + 291591360064 = 231453^2 + 539992^2 .

It is a cyclic number.

It is not a de Polignac number, because 345161851273 - 2²⁵ = 345128296841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345161851973) 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, 141807268 + ... + 141809701.

It is an arithmetic number, because the mean of its divisors is an integer number (86361367365).

Almost surely, 2^345161851273 is an apocalyptic number.

It is an amenable number.

345161851273 is a deficient number, since it is larger than the sum of its proper divisors (283618187).

345161851273 is a wasteful number, since it uses less digits than its factorization.

345161851273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283618186.

The product of its digits is 604800, while the sum is 46.

The spelling of 345161851273 in words is "three hundred forty-five billion, one hundred sixty-one million, eight hundred fifty-one thousand, two hundred seventy-three".