144421324 has 48 divisors (see below), whose sum is σ = 282175488. Its totient is φ = 64325888.

The previous prime is 144421297. The next prime is 144421327. The reversal of 144421324 is 423124441.

144421324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144421327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166917 + ... + 167779.

It is an arithmetic number, because the mean of its divisors is an integer number (5878656).

Almost surely, 2^144421324 is an apocalyptic number.

It is an amenable number.

144421324 is a deficient number, since it is larger than the sum of its proper divisors (137754164).

144421324 is a wasteful number, since it uses less digits than its factorization.

144421324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 144421324 is about 12017.5423444230. The cubic root of 144421324 is about 524.6589761106.

Adding to 144421324 its reverse (423124441), we get a palindrome (567545765).

The spelling of 144421324 in words is "one hundred forty-four million, four hundred twenty-one thousand, three hundred twenty-four".