345757757543 has 16 divisors (see below), whose sum is σ = 378350851200. Its totient is φ = 313358479200.

The previous prime is 345757757539. The next prime is 345757757561.

345757757543 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 345757757543 - 2² = 345757757539 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345757757573) 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, 34895396 + ... + 34905302.

It is an arithmetic number, because the mean of its divisors is an integer number (23646928200).

Almost surely, 2^345757757543 is an apocalyptic number.

345757757543 is a deficient number, since it is larger than the sum of its proper divisors (32593093657).

345757757543 is a wasteful number, since it uses less digits than its factorization.

345757757543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19358.

The product of its digits is 216090000, while the sum is 62.

The spelling of 345757757543 in words is "three hundred forty-five billion, seven hundred fifty-seven million, seven hundred fifty-seven thousand, five hundred forty-three".