142759872169 has 2 divisors, whose sum is σ = 142759872170. Its totient is φ = 142759872168.

The previous prime is 142759872133. The next prime is 142759872179. The reversal of 142759872169 is 961278957241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87998256025 + 54761616144 = 296645^2 + 234012^2 .

It is a cyclic number.

It is not a de Polignac number, because 142759872169 - 2¹³ = 142759863977 is a prime.

It is a super-2 number, since 2×142759872169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142759872109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71379936084 + 71379936085.

It is an arithmetic number, because the mean of its divisors is an integer number (71379936085).

Almost surely, 2^142759872169 is an apocalyptic number.

It is an amenable number.

142759872169 is a deficient number, since it is larger than the sum of its proper divisors (1).

142759872169 is an equidigital number, since it uses as much as digits as its factorization.

142759872169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 61.

The spelling of 142759872169 in words is "one hundred forty-two billion, seven hundred fifty-nine million, eight hundred seventy-two thousand, one hundred sixty-nine".