142320322030181 has 2 divisors, whose sum is σ = 142320322030182. Its totient is φ = 142320322030180.

The previous prime is 142320322030087. The next prime is 142320322030253. The reversal of 142320322030181 is 181030223023241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123336794604100 + 18983527426081 = 11105710^2 + 4357009^2 .

It is a cyclic number.

It is not a de Polignac number, because 142320322030181 - 2¹⁰ = 142320322029157 is a prime.

It is a super-2 number, since 2×142320322030181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142320322036181) 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, 71160161015090 + 71160161015091.

It is an arithmetic number, because the mean of its divisors is an integer number (71160161015091).

Almost surely, 2^{142320322030181} is an apocalyptic number.

It is an amenable number.

142320322030181 is a deficient number, since it is larger than the sum of its proper divisors (1).

142320322030181 is an equidigital number, since it uses as much as digits as its factorization.

142320322030181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 142320322030181 in words is "one hundred forty-two trillion, three hundred twenty billion, three hundred twenty-two million, thirty thousand, one hundred eighty-one".