142056303442217 has 2 divisors, whose sum is σ = 142056303442218. Its totient is φ = 142056303442216.

The previous prime is 142056303442133. The next prime is 142056303442223. The reversal of 142056303442217 is 712244303650241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89993094087961 + 52063209354256 = 9486469^2 + 7215484^2 .

It is a cyclic number.

It is not a de Polignac number, because 142056303442217 - 2⁸ = 142056303441961 is a prime.

It is not a weakly prime, because it can be changed into another prime (142056303442247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71028151721108 + 71028151721109.

It is an arithmetic number, because the mean of its divisors is an integer number (71028151721109).

Almost surely, 2^{142056303442217} is an apocalyptic number.

It is an amenable number.

142056303442217 is a deficient number, since it is larger than the sum of its proper divisors (1).

142056303442217 is an equidigital number, since it uses as much as digits as its factorization.

142056303442217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 142056303442217 in words is "one hundred forty-two trillion, fifty-six billion, three hundred three million, four hundred forty-two thousand, two hundred seventeen".