142445763169 has 2 divisors, whose sum is σ = 142445763170. Its totient is φ = 142445763168.

The previous prime is 142445763137. The next prime is 142445763179. The reversal of 142445763169 is 961367544241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104321248144 + 38124515025 = 322988^2 + 195255^2 .

It is a cyclic number.

It is not a de Polignac number, because 142445763169 - 2⁵ = 142445763137 is a prime.

It is a super-3 number, since 3×142445763169³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (142445763179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71222881584 + 71222881585.

It is an arithmetic number, because the mean of its divisors is an integer number (71222881585).

Almost surely, 2^142445763169 is an apocalyptic number.

It is an amenable number.

142445763169 is a deficient number, since it is larger than the sum of its proper divisors (1).

142445763169 is an equidigital number, since it uses as much as digits as its factorization.

142445763169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 142445763169 in words is "one hundred forty-two billion, four hundred forty-five million, seven hundred sixty-three thousand, one hundred sixty-nine".