142162250969 has 2 divisors, whose sum is σ = 142162250970. Its totient is φ = 142162250968.

The previous prime is 142162250941. The next prime is 142162251031. The reversal of 142162250969 is 969052261241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142098841600 + 63409369 = 376960^2 + 7963^2 .

It is a cyclic number.

It is not a de Polignac number, because 142162250969 - 2¹⁶ = 142162185433 is a prime.

It is a super-2 number, since 2×142162250969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142162250669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71081125484 + 71081125485.

It is an arithmetic number, because the mean of its divisors is an integer number (71081125485).

Almost surely, 2^142162250969 is an apocalyptic number.

It is an amenable number.

142162250969 is a deficient number, since it is larger than the sum of its proper divisors (1).

142162250969 is an equidigital number, since it uses as much as digits as its factorization.

142162250969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 142162250969 in words is "one hundred forty-two billion, one hundred sixty-two million, two hundred fifty thousand, nine hundred sixty-nine".