144432424 has 16 divisors (see below), whose sum is σ = 273493620. Its totient is φ = 71500800.

The previous prime is 144432403. The next prime is 144432427. The reversal of 144432424 is 424234441.

144432424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 144432324 + 100 = 12018^2 + 10^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144432392 and 144432401.

It is not an unprimeable number, because it can be changed into a prime (144432427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88569 + ... + 90184.

Almost surely, 2^144432424 is an apocalyptic number.

It is an amenable number.

144432424 is a deficient number, since it is larger than the sum of its proper divisors (129061196).

144432424 is a wasteful number, since it uses less digits than its factorization.

144432424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178860 (or 178856 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 144432424 is about 12018.0041604253. The cubic root of 144432424 is about 524.6724172592.

Adding to 144432424 its reverse (424234441), we get a palindrome (568666865).

The spelling of 144432424 in words is "one hundred forty-four million, four hundred thirty-two thousand, four hundred twenty-four".