142322141223257 has 2 divisors, whose sum is σ = 142322141223258. Its totient is φ = 142322141223256.

The previous prime is 142322141223169. The next prime is 142322141223343. The reversal of 142322141223257 is 752322141223241.

142322141223257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72477026062336 + 69845115160921 = 8513344^2 + 8357339^2 .

It is a cyclic number.

It is not a de Polignac number, because 142322141223257 - 2⁸ = 142322141223001 is a prime.

It is not a weakly prime, because it can be changed into another prime (142322141423257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161070611628 + 71161070611629.

It is an arithmetic number, because the mean of its divisors is an integer number (71161070611629).

Almost surely, 2^{142322141223257} is an apocalyptic number.

It is an amenable number.

142322141223257 is a deficient number, since it is larger than the sum of its proper divisors (1).

142322141223257 is an equidigital number, since it uses as much as digits as its factorization.

142322141223257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

Adding to 142322141223257 its reverse (752322141223241), we get a palindrome (894644282446498).

The spelling of 142322141223257 in words is "one hundred forty-two trillion, three hundred twenty-two billion, one hundred forty-one million, two hundred twenty-three thousand, two hundred fifty-seven".