144422329 has 2 divisors, whose sum is σ = 144422330. Its totient is φ = 144422328.

The previous prime is 144422323. The next prime is 144422339. The reversal of 144422329 is 923224441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141610000 + 2812329 = 11900^2 + 1677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144422329 is a prime.

It is a super-2 number, since 2×144422329² = 41715618227568482, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144422329.

It is not a weakly prime, because it can be changed into another prime (144422323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72211164 + 72211165.

It is an arithmetic number, because the mean of its divisors is an integer number (72211165).

Almost surely, 2^144422329 is an apocalyptic number.

It is an amenable number.

144422329 is a deficient number, since it is larger than the sum of its proper divisors (1).

144422329 is an equidigital number, since it uses as much as digits as its factorization.

144422329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 144422329 is about 12017.5841582241. The cubic root of 144422329 is about 524.6601931078.

The spelling of 144422329 in words is "one hundred forty-four million, four hundred twenty-two thousand, three hundred twenty-nine".