142340633442169 has 2 divisors, whose sum is σ = 142340633442170. Its totient is φ = 142340633442168.

The previous prime is 142340633442149. The next prime is 142340633442181. The reversal of 142340633442169 is 961244336043241.

142340633442169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120290443290000 + 22050190152169 = 10967700^2 + 4695763^2 .

It is an emirp because it is prime and its reverse (961244336043241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142340633442169 - 2⁷ = 142340633442041 is a prime.

It is a super-2 number, since 2×142340633442169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142340633442149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71170316721084 + 71170316721085.

It is an arithmetic number, because the mean of its divisors is an integer number (71170316721085).

Almost surely, 2^{142340633442169} is an apocalyptic number.

It is an amenable number.

142340633442169 is a deficient number, since it is larger than the sum of its proper divisors (1).

142340633442169 is an equidigital number, since it uses as much as digits as its factorization.

142340633442169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 52.

The spelling of 142340633442169 in words is "one hundred forty-two trillion, three hundred forty billion, six hundred thirty-three million, four hundred forty-two thousand, one hundred sixty-nine".