142998801181 has 2 divisors, whose sum is σ = 142998801182. Its totient is φ = 142998801180.

The previous prime is 142998801157. The next prime is 142998801191. The reversal of 142998801181 is 181108899241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93385248100 + 49613553081 = 305590^2 + 222741^2 .

It is a cyclic number.

It is not a de Polignac number, because 142998801181 - 2¹⁵ = 142998768413 is a prime.

It is a super-2 number, since 2×142998801181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142998801191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71499400590 + 71499400591.

It is an arithmetic number, because the mean of its divisors is an integer number (71499400591).

Almost surely, 2^142998801181 is an apocalyptic number.

It is an amenable number.

142998801181 is a deficient number, since it is larger than the sum of its proper divisors (1).

142998801181 is an equidigital number, since it uses as much as digits as its factorization.

142998801181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 52.

The spelling of 142998801181 in words is "one hundred forty-two billion, nine hundred ninety-eight million, eight hundred one thousand, one hundred eighty-one".