142355232343477 has 2 divisors, whose sum is σ = 142355232343478. Its totient is φ = 142355232343476.

The previous prime is 142355232343397. The next prime is 142355232343549. The reversal of 142355232343477 is 774343232553241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137366861970321 + 4988370373156 = 11720361^2 + 2233466^2 .

It is a cyclic number.

It is not a de Polignac number, because 142355232343477 - 2¹¹ = 142355232341429 is a prime.

It is a super-2 number, since 2×142355232343477² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142355232344477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71177616171738 + 71177616171739.

It is an arithmetic number, because the mean of its divisors is an integer number (71177616171739).

Almost surely, 2^{142355232343477} is an apocalyptic number.

It is an amenable number.

142355232343477 is a deficient number, since it is larger than the sum of its proper divisors (1).

142355232343477 is an equidigital number, since it uses as much as digits as its factorization.

142355232343477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50803200, while the sum is 55.

The spelling of 142355232343477 in words is "one hundred forty-two trillion, three hundred fifty-five billion, two hundred thirty-two million, three hundred forty-three thousand, four hundred seventy-seven".