144501325169 has 2 divisors, whose sum is σ = 144501325170. Its totient is φ = 144501325168.

The previous prime is 144501325147. The next prime is 144501325211. The reversal of 144501325169 is 961523105441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139343930944 + 5157394225 = 373288^2 + 71815^2 .

It is a cyclic number.

It is not a de Polignac number, because 144501325169 - 2²⁴ = 144484547953 is a prime.

It is a super-2 number, since 2×144501325169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144501325069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72250662584 + 72250662585.

It is an arithmetic number, because the mean of its divisors is an integer number (72250662585).

Almost surely, 2^144501325169 is an apocalyptic number.

It is an amenable number.

144501325169 is a deficient number, since it is larger than the sum of its proper divisors (1).

144501325169 is an equidigital number, since it uses as much as digits as its factorization.

144501325169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 144501325169 in words is "one hundred forty-four billion, five hundred one million, three hundred twenty-five thousand, one hundred sixty-nine".