144042040116881 has 2 divisors, whose sum is σ = 144042040116882. Its totient is φ = 144042040116880.

The previous prime is 144042040116857. The next prime is 144042040116979. The reversal of 144042040116881 is 188611040240441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140033875955281 + 4008164161600 = 11833591^2 + 2002040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144042040116881 is a prime.

It is a super-2 number, since 2×144042040116881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144042040116811) 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, 72021020058440 + 72021020058441.

It is an arithmetic number, because the mean of its divisors is an integer number (72021020058441).

Almost surely, 2^{144042040116881} is an apocalyptic number.

It is an amenable number.

144042040116881 is a deficient number, since it is larger than the sum of its proper divisors (1).

144042040116881 is an equidigital number, since it uses as much as digits as its factorization.

144042040116881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 144042040116881 in words is "one hundred forty-four trillion, forty-two billion, forty million, one hundred sixteen thousand, eight hundred eighty-one".