345057583765 has 4 divisors (see below), whose sum is σ = 414069100524. Its totient is φ = 276046067008.

The previous prime is 345057583747. The next prime is 345057583837. The reversal of 345057583765 is 567385750543.

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 249543208849 + 95514374916 = 499543^2 + 309054^2 .

It is a cyclic number.

It is not a de Polignac number, because 345057583765 - 2⁹ = 345057583253 is a prime.

It is a super-2 number, since 2×345057583765² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34505758372 + ... + 34505758381.

It is an arithmetic number, because the mean of its divisors is an integer number (103517275131).

Almost surely, 2^345057583765 is an apocalyptic number.

It is an amenable number.

345057583765 is a deficient number, since it is larger than the sum of its proper divisors (69011516759).

345057583765 is an equidigital number, since it uses as much as digits as its factorization.

345057583765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69011516758.

The product of its (nonzero) digits is 52920000, while the sum is 58.

The spelling of 345057583765 in words is "three hundred forty-five billion, fifty-seven million, five hundred eighty-three thousand, seven hundred sixty-five".