345265004181 has 4 divisors (see below), whose sum is σ = 460353338912. Its totient is φ = 230176669452.

The previous prime is 345265004177. The next prime is 345265004209. The reversal of 345265004181 is 181400562543.

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 not a de Polignac number, because 345265004181 - 2² = 345265004177 is a prime.

It is a super-2 number, since 2×345265004181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345265004111) 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, 57544167361 + ... + 57544167366.

It is an arithmetic number, because the mean of its divisors is an integer number (115088334728).

Almost surely, 2^345265004181 is an apocalyptic number.

It is an amenable number.

345265004181 is a deficient number, since it is larger than the sum of its proper divisors (115088334731).

345265004181 is a wasteful number, since it uses less digits than its factorization.

345265004181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115088334730.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 345265004181 in words is "three hundred forty-five billion, two hundred sixty-five million, four thousand, one hundred eighty-one".