345143405527 has 2 divisors, whose sum is σ = 345143405528. Its totient is φ = 345143405526.

The previous prime is 345143405521. The next prime is 345143405609. The reversal of 345143405527 is 725504341543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345143405527 - 2¹⁵ = 345143372759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345143405521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172571702763 + 172571702764.

It is an arithmetic number, because the mean of its divisors is an integer number (172571702764).

Almost surely, 2^345143405527 is an apocalyptic number.

345143405527 is a deficient number, since it is larger than the sum of its proper divisors (1).

345143405527 is an equidigital number, since it uses as much as digits as its factorization.

345143405527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 345143405527 in words is "three hundred forty-five billion, one hundred forty-three million, four hundred five thousand, five hundred twenty-seven".