345810691157 has 2 divisors, whose sum is σ = 345810691158. Its totient is φ = 345810691156.

The previous prime is 345810691151. The next prime is 345810691183. The reversal of 345810691157 is 751196018543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326990692561 + 18819998596 = 571831^2 + 137186^2 .

It is an emirp because it is prime and its reverse (751196018543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345810691157 - 2¹⁰ = 345810690133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345810691151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172905345578 + 172905345579.

It is an arithmetic number, because the mean of its divisors is an integer number (172905345579).

Almost surely, 2^345810691157 is an apocalyptic number.

It is an amenable number.

345810691157 is a deficient number, since it is larger than the sum of its proper divisors (1).

345810691157 is an equidigital number, since it uses as much as digits as its factorization.

345810691157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 345810691157 in words is "three hundred forty-five billion, eight hundred ten million, six hundred ninety-one thousand, one hundred fifty-seven".