142488146897 has 2 divisors, whose sum is σ = 142488146898. Its totient is φ = 142488146896.

The previous prime is 142488146881. The next prime is 142488146909. The reversal of 142488146897 is 798641884241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84890066881 + 57598080016 = 291359^2 + 239996^2 .

It is a cyclic number.

It is not a de Polignac number, because 142488146897 - 2⁴ = 142488146881 is a prime.

It is a super-2 number, since 2×142488146897² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142488146807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71244073448 + 71244073449.

It is an arithmetic number, because the mean of its divisors is an integer number (71244073449).

Almost surely, 2^142488146897 is an apocalyptic number.

It is an amenable number.

142488146897 is a deficient number, since it is larger than the sum of its proper divisors (1).

142488146897 is an equidigital number, since it uses as much as digits as its factorization.

142488146897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24772608, while the sum is 62.

The spelling of 142488146897 in words is "one hundred forty-two billion, four hundred eighty-eight million, one hundred forty-six thousand, eight hundred ninety-seven".