142422404077 has 2 divisors, whose sum is σ = 142422404078. Its totient is φ = 142422404076.

The previous prime is 142422404071. The next prime is 142422404087. The reversal of 142422404077 is 770404224241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129063436516 + 13358967561 = 359254^2 + 115581^2 .

It is an emirp because it is prime and its reverse (770404224241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142422404077 - 2¹¹ = 142422402029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142422404071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71211202038 + 71211202039.

It is an arithmetic number, because the mean of its divisors is an integer number (71211202039).

Almost surely, 2^142422404077 is an apocalyptic number.

It is an amenable number.

142422404077 is a deficient number, since it is larger than the sum of its proper divisors (1).

142422404077 is an equidigital number, since it uses as much as digits as its factorization.

142422404077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 37.

The spelling of 142422404077 in words is "one hundred forty-two billion, four hundred twenty-two million, four hundred four thousand, seventy-seven".