144521516137 has 2 divisors, whose sum is σ = 144521516138. Its totient is φ = 144521516136.

The previous prime is 144521516057. The next prime is 144521516141. The reversal of 144521516137 is 731615125441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92418432016 + 52103084121 = 304004^2 + 228261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144521516137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144521516137.

It is not a weakly prime, because it can be changed into another prime (144521516437) 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, 72260758068 + 72260758069.

It is an arithmetic number, because the mean of its divisors is an integer number (72260758069).

Almost surely, 2^144521516137 is an apocalyptic number.

It is an amenable number.

144521516137 is a deficient number, since it is larger than the sum of its proper divisors (1).

144521516137 is an equidigital number, since it uses as much as digits as its factorization.

144521516137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The spelling of 144521516137 in words is "one hundred forty-four billion, five hundred twenty-one million, five hundred sixteen thousand, one hundred thirty-seven".