144311224 has 16 divisors (see below), whose sum is σ = 273264120. Its totient is φ = 71440800.

The previous prime is 144311201. The next prime is 144311239. The reversal of 144311224 is 422113441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144311195 and 144311204.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 88494 + ... + 90109.

Almost surely, 2^144311224 is an apocalyptic number.

It is an amenable number.

144311224 is a deficient number, since it is larger than the sum of its proper divisors (128952896).

144311224 is a wasteful number, since it uses less digits than its factorization.

144311224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178710 (or 178706 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 144311224 is about 12012.9606675457. The cubic root of 144311224 is about 524.5256171370.

Adding to 144311224 its reverse (422113441), we get a palindrome (566424665).

The spelling of 144311224 in words is "one hundred forty-four million, three hundred eleven thousand, two hundred twenty-four".