142457714771 has 2 divisors, whose sum is σ = 142457714772. Its totient is φ = 142457714770.

The previous prime is 142457714719. The next prime is 142457714779. The reversal of 142457714771 is 177417754241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142457714771 is a prime.

It is not a weakly prime, because it can be changed into another prime (142457714779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71228857385 + 71228857386.

It is an arithmetic number, because the mean of its divisors is an integer number (71228857386).

Almost surely, 2^142457714771 is an apocalyptic number.

142457714771 is a deficient number, since it is larger than the sum of its proper divisors (1).

142457714771 is an equidigital number, since it uses as much as digits as its factorization.

142457714771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536640, while the sum is 50.

The spelling of 142457714771 in words is "one hundred forty-two billion, four hundred fifty-seven million, seven hundred fourteen thousand, seven hundred seventy-one".