142321232122159 has 2 divisors, whose sum is σ = 142321232122160. Its totient is φ = 142321232122158.

The previous prime is 142321232122039. The next prime is 142321232122171. The reversal of 142321232122159 is 951221232123241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142321232122159 - 2⁷ = 142321232122031 is a prime.

It is a super-2 number, since 2×142321232122159² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321232120159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160616061079 + 71160616061080.

It is an arithmetic number, because the mean of its divisors is an integer number (71160616061080).

Almost surely, 2^{142321232122159} is an apocalyptic number.

142321232122159 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321232122159 is an equidigital number, since it uses as much as digits as its factorization.

142321232122159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The spelling of 142321232122159 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred fifty-nine".