144833449 has 2 divisors, whose sum is σ = 144833450. Its totient is φ = 144833448.

The previous prime is 144833407. The next prime is 144833473. The reversal of 144833449 is 944338441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 4173849 = 11860^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 144833449 - 2⁷ = 144833321 is a prime.

It is not a weakly prime, because it can be changed into another prime (144833749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72416724 + 72416725.

It is an arithmetic number, because the mean of its divisors is an integer number (72416725).

Almost surely, 2^144833449 is an apocalyptic number.

It is an amenable number.

144833449 is a deficient number, since it is larger than the sum of its proper divisors (1).

144833449 is an equidigital number, since it uses as much as digits as its factorization.

144833449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 144833449 is about 12034.6769379157. The cubic root of 144833449 is about 525.1575629871.

The spelling of 144833449 in words is "one hundred forty-four million, eight hundred thirty-three thousand, four hundred forty-nine".