142320142221073 has 2 divisors, whose sum is σ = 142320142221074. Its totient is φ = 142320142221072.

The previous prime is 142320142221043. The next prime is 142320142221149. The reversal of 142320142221073 is 370122241023241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135910293015249 + 6409849205824 = 11658057^2 + 2531768^2 .

It is a cyclic number.

It is not a de Polignac number, because 142320142221073 - 2²⁹ = 142319605350161 is a prime.

It is not a weakly prime, because it can be changed into another prime (142320142221043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160071110536 + 71160071110537.

It is an arithmetic number, because the mean of its divisors is an integer number (71160071110537).

Almost surely, 2^{142320142221073} is an apocalyptic number.

It is an amenable number.

142320142221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

142320142221073 is an equidigital number, since it uses as much as digits as its factorization.

142320142221073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 142320142221073 in words is "one hundred forty-two trillion, three hundred twenty billion, one hundred forty-two million, two hundred twenty-one thousand, seventy-three".