345144222629 has 2 divisors, whose sum is σ = 345144222630. Its totient is φ = 345144222628.

The previous prime is 345144222617. The next prime is 345144222659. The reversal of 345144222629 is 926222441543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212940717025 + 132203505604 = 461455^2 + 363598^2 .

It is a cyclic number.

It is not a de Polignac number, because 345144222629 - 2²⁸ = 344875787173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345144222629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345144222659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172572111314 + 172572111315.

It is an arithmetic number, because the mean of its divisors is an integer number (172572111315).

Almost surely, 2^345144222629 is an apocalyptic number.

It is an amenable number.

345144222629 is a deficient number, since it is larger than the sum of its proper divisors (1).

345144222629 is an equidigital number, since it uses as much as digits as its factorization.

345144222629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 44.

The spelling of 345144222629 in words is "three hundred forty-five billion, one hundred forty-four million, two hundred twenty-two thousand, six hundred twenty-nine".