144432224 has 96 divisors (see below), whose sum is σ = 316108800. Its totient is φ = 64696320.

The previous prime is 144432191. The next prime is 144432229. The reversal of 144432224 is 422234441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144432193 and 144432202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144432229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488944 + ... + 1489040.

It is an arithmetic number, because the mean of its divisors is an integer number (3292800).

Almost surely, 2^144432224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144432224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158054400).

144432224 is an abundant number, since it is smaller than the sum of its proper divisors (171676576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144432224 is a wasteful number, since it uses less digits than its factorization.

144432224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 228 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 144432224 is about 12017.9958395733. The cubic root of 144432224 is about 524.6721750824.

Adding to 144432224 its reverse (422234441), we get a palindrome (566666665).

The spelling of 144432224 in words is "one hundred forty-four million, four hundred thirty-two thousand, two hundred twenty-four".