142716494257 has 2 divisors, whose sum is σ = 142716494258. Its totient is φ = 142716494256.

The previous prime is 142716494251. The next prime is 142716494359. The reversal of 142716494257 is 752494617241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78978422961 + 63738071296 = 281031^2 + 252464^2 .

It is a cyclic number.

It is not a de Polignac number, because 142716494257 - 2³¹ = 140569010609 is a prime.

It is not a weakly prime, because it can be changed into another prime (142716494251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71358247128 + 71358247129.

It is an arithmetic number, because the mean of its divisors is an integer number (71358247129).

Almost surely, 2^142716494257 is an apocalyptic number.

It is an amenable number.

142716494257 is a deficient number, since it is larger than the sum of its proper divisors (1).

142716494257 is an equidigital number, since it uses as much as digits as its factorization.

142716494257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The spelling of 142716494257 in words is "one hundred forty-two billion, seven hundred sixteen million, four hundred ninety-four thousand, two hundred fifty-seven".