142442444011477 has 2 divisors, whose sum is σ = 142442444011478. Its totient is φ = 142442444011476.

The previous prime is 142442444011471. The next prime is 142442444011519. The reversal of 142442444011477 is 774110444244241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116807978835076 + 25634465176401 = 10807774^2 + 5063049^2 .

It is a cyclic number.

It is not a de Polignac number, because 142442444011477 - 2³⁵ = 142408084273109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142442444011477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142442444011471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71221222005738 + 71221222005739.

It is an arithmetic number, because the mean of its divisors is an integer number (71221222005739).

Almost surely, 2^{142442444011477} is an apocalyptic number.

It is an amenable number.

142442444011477 is a deficient number, since it is larger than the sum of its proper divisors (1).

142442444011477 is an equidigital number, since it uses as much as digits as its factorization.

142442444011477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3211264, while the sum is 49.

The spelling of 142442444011477 in words is "one hundred forty-two trillion, four hundred forty-two billion, four hundred forty-four million, eleven thousand, four hundred seventy-seven".