144950764169 has 2 divisors, whose sum is σ = 144950764170. Its totient is φ = 144950764168.

The previous prime is 144950764159. The next prime is 144950764199. The reversal of 144950764169 is 961467059441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103869554944 + 41081209225 = 322288^2 + 202685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144950764169 is a prime.

It is a super-2 number, since 2×144950764169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144950764139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72475382084 + 72475382085.

It is an arithmetic number, because the mean of its divisors is an integer number (72475382085).

Almost surely, 2^144950764169 is an apocalyptic number.

It is an amenable number.

144950764169 is a deficient number, since it is larger than the sum of its proper divisors (1).

144950764169 is an equidigital number, since it uses as much as digits as its factorization.

144950764169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 144950764169 in words is "one hundred forty-four billion, nine hundred fifty million, seven hundred sixty-four thousand, one hundred sixty-nine".