142402302230789 has 2 divisors, whose sum is σ = 142402302230790. Its totient is φ = 142402302230788.

The previous prime is 142402302230777. The next prime is 142402302230821. The reversal of 142402302230789 is 987032203204241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91579062393025 + 50823239837764 = 9569695^2 + 7129042^2 .

It is a cyclic number.

It is not a de Polignac number, because 142402302230789 - 2²⁴ = 142402285453573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142402302200789) 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, 71201151115394 + 71201151115395.

It is an arithmetic number, because the mean of its divisors is an integer number (71201151115395).

Almost surely, 2^{142402302230789} is an apocalyptic number.

It is an amenable number.

142402302230789 is a deficient number, since it is larger than the sum of its proper divisors (1).

142402302230789 is an equidigital number, since it uses as much as digits as its factorization.

142402302230789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 142402302230789 in words is "one hundred forty-two trillion, four hundred two billion, three hundred two million, two hundred thirty thousand, seven hundred eighty-nine".