144424433 has 2 divisors, whose sum is σ = 144424434. Its totient is φ = 144424432.

The previous prime is 144424421. The next prime is 144424451. The reversal of 144424433 is 334424441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109579024 + 34845409 = 10468^2 + 5903^2 .

It is a cyclic number.

It is not a de Polignac number, because 144424433 - 2⁶ = 144424369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144424396 and 144424405.

It is not a weakly prime, because it can be changed into another prime (144424493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72212216 + 72212217.

It is an arithmetic number, because the mean of its divisors is an integer number (72212217).

Almost surely, 2^144424433 is an apocalyptic number.

It is an amenable number.

144424433 is a deficient number, since it is larger than the sum of its proper divisors (1).

144424433 is an equidigital number, since it uses as much as digits as its factorization.

144424433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 29.

The square root of 144424433 is about 12017.6716962979. The cubic root of 144424433 is about 524.6627409125.

Adding to 144424433 its reverse (334424441), we get a palindrome (478848874).

The spelling of 144424433 in words is "one hundred forty-four million, four hundred twenty-four thousand, four hundred thirty-three".