144442429 has 2 divisors, whose sum is σ = 144442430. Its totient is φ = 144442428.

The previous prime is 144442393. The next prime is 144442433. The reversal of 144442429 is 924244441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121660900 + 22781529 = 11030^2 + 4773^2 .

It is a cyclic number.

It is not a de Polignac number, because 144442429 - 2⁹ = 144441917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144442394 and 144442403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144442499) 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, 72221214 + 72221215.

It is an arithmetic number, because the mean of its divisors is an integer number (72221215).

Almost surely, 2^144442429 is an apocalyptic number.

It is an amenable number.

144442429 is a deficient number, since it is larger than the sum of its proper divisors (1).

144442429 is an equidigital number, since it uses as much as digits as its factorization.

144442429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

The square root of 144442429 is about 12018.4204036970. The cubic root of 144442429 is about 524.6845318666.

The spelling of 144442429 in words is "one hundred forty-four million, four hundred forty-two thousand, four hundred twenty-nine".