144447224 has 32 divisors (see below), whose sum is σ = 275667840. Its totient is φ = 70946400.

The previous prime is 144447161. The next prime is 144447229. The reversal of 144447224 is 422744441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144447229) 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 7 ways as a sum of consecutive naturals, for example, 139589 + ... + 140619.

It is an arithmetic number, because the mean of its divisors is an integer number (8614620).

Almost surely, 2^144447224 is an apocalyptic number.

It is an amenable number.

144447224 is a deficient number, since it is larger than the sum of its proper divisors (131220616).

144447224 is a wasteful number, since it uses less digits than its factorization.

144447224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1327 counting only the distinct ones).

The product of its digits is 28672, while the sum is 32.

The square root of 144447224 is about 12018.6198874912. The cubic root of 144447224 is about 524.6903377195.

The spelling of 144447224 in words is "one hundred forty-four million, four hundred forty-seven thousand, two hundred twenty-four".