142175442338729 has 2 divisors, whose sum is σ = 142175442338730. Its totient is φ = 142175442338728.

The previous prime is 142175442338693. The next prime is 142175442338737. The reversal of 142175442338729 is 927833244571241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113689226125225 + 28486216213504 = 10662515^2 + 5337248^2 .

It is an emirp because it is prime and its reverse (927833244571241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142175442338729 - 2²⁴ = 142175425561513 is a prime.

It is not a weakly prime, because it can be changed into another prime (142175442338429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71087721169364 + 71087721169365.

It is an arithmetic number, because the mean of its divisors is an integer number (71087721169365).

Almost surely, 2^{142175442338729} is an apocalyptic number.

It is an amenable number.

142175442338729 is a deficient number, since it is larger than the sum of its proper divisors (1).

142175442338729 is an equidigital number, since it uses as much as digits as its factorization.

142175442338729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 62.

The spelling of 142175442338729 in words is "one hundred forty-two trillion, one hundred seventy-five billion, four hundred forty-two million, three hundred thirty-eight thousand, seven hundred twenty-nine".