345444258073 has 2 divisors, whose sum is σ = 345444258074. Its totient is φ = 345444258072.

The previous prime is 345444258031. The next prime is 345444258077. The reversal of 345444258073 is 370852444543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241603707024 + 103840551049 = 491532^2 + 322243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345444258073 is a prime.

It is not a weakly prime, because it can be changed into another prime (345444258077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172722129036 + 172722129037.

It is an arithmetic number, because the mean of its divisors is an integer number (172722129037).

Almost surely, 2^345444258073 is an apocalyptic number.

It is an amenable number.

345444258073 is a deficient number, since it is larger than the sum of its proper divisors (1).

345444258073 is an equidigital number, since it uses as much as digits as its factorization.

345444258073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 49.

The spelling of 345444258073 in words is "three hundred forty-five billion, four hundred forty-four million, two hundred fifty-eight thousand, seventy-three".