144887935795181 has 2 divisors, whose sum is σ = 144887935795182. Its totient is φ = 144887935795180.

The previous prime is 144887935795133. The next prime is 144887935795241. The reversal of 144887935795181 is 181597539788441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80941780465225 + 63946155329956 = 8996765^2 + 7996634^2 .

It is a cyclic number.

It is not a de Polignac number, because 144887935795181 - 2⁴⁶ = 74519191617517 is a prime.

It is a super-2 number, since 2×144887935795181² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144887935795096 and 144887935795105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144887935795111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72443967897590 + 72443967897591.

It is an arithmetic number, because the mean of its divisors is an integer number (72443967897591).

Almost surely, 2^{144887935795181} is an apocalyptic number.

It is an amenable number.

144887935795181 is a deficient number, since it is larger than the sum of its proper divisors (1).

144887935795181 is an equidigital number, since it uses as much as digits as its factorization.

144887935795181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2438553600, while the sum is 80.

The spelling of 144887935795181 in words is "one hundred forty-four trillion, eight hundred eighty-seven billion, nine hundred thirty-five million, seven hundred ninety-five thousand, one hundred eighty-one".