345143432537 has 2 divisors, whose sum is σ = 345143432538. Its totient is φ = 345143432536.

The previous prime is 345143432527. The next prime is 345143432551. The reversal of 345143432537 is 735234341543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232308576256 + 112834856281 = 481984^2 + 335909^2 .

It is a cyclic number.

It is not a de Polignac number, because 345143432537 - 2⁸ = 345143432281 is a prime.

It is not a weakly prime, because it can be changed into another prime (345143432527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172571716268 + 172571716269.

It is an arithmetic number, because the mean of its divisors is an integer number (172571716269).

Almost surely, 2^345143432537 is an apocalyptic number.

It is an amenable number.

345143432537 is a deficient number, since it is larger than the sum of its proper divisors (1).

345143432537 is an equidigital number, since it uses as much as digits as its factorization.

345143432537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 44.

The spelling of 345143432537 in words is "three hundred forty-five billion, one hundred forty-three million, four hundred thirty-two thousand, five hundred thirty-seven".