144133169 has 2 divisors, whose sum is σ = 144133170. Its totient is φ = 144133168.

The previous prime is 144133117. The next prime is 144133181. The reversal of 144133169 is 961331441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94965025 + 49168144 = 9745^2 + 7012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144133169 is a prime.

It is a super-2 number, since 2×144133169² = 41548740811965122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144133109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72066584 + 72066585.

It is an arithmetic number, because the mean of its divisors is an integer number (72066585).

Almost surely, 2^144133169 is an apocalyptic number.

It is an amenable number.

144133169 is a deficient number, since it is larger than the sum of its proper divisors (1).

144133169 is an equidigital number, since it uses as much as digits as its factorization.

144133169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 144133169 is about 12005.5474260860. The cubic root of 144133169 is about 524.3098038335.

The spelling of 144133169 in words is "one hundred forty-four million, one hundred thirty-three thousand, one hundred sixty-nine".