144443329 has 2 divisors, whose sum is σ = 144443330. Its totient is φ = 144443328.

The previous prime is 144443317. The next prime is 144443333. The reversal of 144443329 is 923344441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 69222400 = 8673^2 + 8320^2 .

It is an emirp because it is prime and its reverse (923344441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144443329 - 2¹⁵ = 144410561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144443294 and 144443303.

It is not a weakly prime, because it can be changed into another prime (144443359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221664 + 72221665.

It is an arithmetic number, because the mean of its divisors is an integer number (72221665).

Almost surely, 2^144443329 is an apocalyptic number.

It is an amenable number.

144443329 is a deficient number, since it is larger than the sum of its proper divisors (1).

144443329 is an equidigital number, since it uses as much as digits as its factorization.

144443329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 144443329 is about 12018.4578461631. The cubic root of 144443329 is about 524.6856216089.

The spelling of 144443329 in words is "one hundred forty-four million, four hundred forty-three thousand, three hundred twenty-nine".