345545583523247 has 2 divisors, whose sum is σ = 345545583523248. Its totient is φ = 345545583523246.

The previous prime is 345545583523243. The next prime is 345545583523277. The reversal of 345545583523247 is 742325385545543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345545583523247 - 2² = 345545583523243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345545583523243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172772791761623 + 172772791761624.

It is an arithmetic number, because the mean of its divisors is an integer number (172772791761624).

Almost surely, 2^{345545583523247} is an apocalyptic number.

345545583523247 is a deficient number, since it is larger than the sum of its proper divisors (1).

345545583523247 is an equidigital number, since it uses as much as digits as its factorization.

345545583523247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600000, while the sum is 65.

The spelling of 345545583523247 in words is "three hundred forty-five trillion, five hundred forty-five billion, five hundred eighty-three million, five hundred twenty-three thousand, two hundred forty-seven".