345155426173 has 4 divisors (see below), whose sum is σ = 345979186560. Its totient is φ = 344331665788.

The previous prime is 345155426149. The next prime is 345155426219. The reversal of 345155426173 is 371624551543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345155426173 - 2²⁹ = 344618555261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345155426113) 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, 411879565 + ... + 411880402.

It is an arithmetic number, because the mean of its divisors is an integer number (86494796640).

Almost surely, 2^345155426173 is an apocalyptic number.

It is an amenable number.

345155426173 is a deficient number, since it is larger than the sum of its proper divisors (823760387).

345155426173 is an equidigital number, since it uses as much as digits as its factorization.

345155426173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823760386.

The product of its digits is 1512000, while the sum is 46.

The spelling of 345155426173 in words is "three hundred forty-five billion, one hundred fifty-five million, four hundred twenty-six thousand, one hundred seventy-three".