345144222617 has 2 divisors, whose sum is σ = 345144222618. Its totient is φ = 345144222616.

The previous prime is 345144222587. The next prime is 345144222629. The reversal of 345144222617 is 716222441543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195743420041 + 149400802576 = 442429^2 + 386524^2 .

It is a cyclic number.

It is not a de Polignac number, because 345144222617 - 2¹⁴ = 345144206233 is a prime.

It is not a weakly prime, because it can be changed into another prime (345144222677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172572111308 + 172572111309.

It is an arithmetic number, because the mean of its divisors is an integer number (172572111309).

Almost surely, 2^345144222617 is an apocalyptic number.

It is an amenable number.

345144222617 is a deficient number, since it is larger than the sum of its proper divisors (1).

345144222617 is an equidigital number, since it uses as much as digits as its factorization.

345144222617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The spelling of 345144222617 in words is "three hundred forty-five billion, one hundred forty-four million, two hundred twenty-two thousand, six hundred seventeen".