144886135525081 has 2 divisors, whose sum is σ = 144886135525082. Its totient is φ = 144886135525080.

The previous prime is 144886135525063. The next prime is 144886135525093. The reversal of 144886135525081 is 180525531688441.

144886135525081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128316220905625 + 16569914619456 = 11327675^2 + 4070616^2 .

It is a cyclic number.

It is not a de Polignac number, because 144886135525081 - 2⁹ = 144886135524569 is a prime.

It is a super-2 number, since 2×144886135525081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144886135520081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72443067762540 + 72443067762541.

It is an arithmetic number, because the mean of its divisors is an integer number (72443067762541).

Almost surely, 2^{144886135525081} is an apocalyptic number.

It is an amenable number.

144886135525081 is a deficient number, since it is larger than the sum of its proper divisors (1).

144886135525081 is an equidigital number, since it uses as much as digits as its factorization.

144886135525081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864000, while the sum is 61.

The spelling of 144886135525081 in words is "one hundred forty-four trillion, eight hundred eighty-six billion, one hundred thirty-five million, five hundred twenty-five thousand, eighty-one".