142320322029157 has 2 divisors, whose sum is σ = 142320322029158. Its totient is φ = 142320322029156.

The previous prime is 142320322029143. The next prime is 142320322029181. The reversal of 142320322029157 is 751920223023241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140778438570081 + 1541883459076 = 11865009^2 + 1241726^2 .

It is a cyclic number.

It is not a de Polignac number, because 142320322029157 - 2⁷ = 142320322029029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142320322029257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160161014578 + 71160161014579.

It is an arithmetic number, because the mean of its divisors is an integer number (71160161014579).

Almost surely, 2^{142320322029157} is an apocalyptic number.

It is an amenable number.

142320322029157 is a deficient number, since it is larger than the sum of its proper divisors (1).

142320322029157 is an equidigital number, since it uses as much as digits as its factorization.

142320322029157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 142320322029157 in words is "one hundred forty-two trillion, three hundred twenty billion, three hundred twenty-two million, twenty-nine thousand, one hundred fifty-seven".