144321424 has 40 divisors (see below), whose sum is σ = 301855680. Its totient is φ = 66450048.

The previous prime is 144321409. The next prime is 144321427. The reversal of 144321424 is 424123441.

144321424 is digitally balanced in base 3, 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 (144321427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 171597 + ... + 172435.

It is an arithmetic number, because the mean of its divisors is an integer number (7546392).

Almost surely, 2^144321424 is an apocalyptic number.

It is an amenable number.

144321424 is an abundant number, since it is smaller than the sum of its proper divisors (157534256).

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

144321424 is a wasteful number, since it uses less digits than its factorization.

144321424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1681 counting only the distinct ones).

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

The square root of 144321424 is about 12013.3852015158. The cubic root of 144321424 is about 524.5379747696.

Adding to 144321424 its reverse (424123441), we get a palindrome (568444865).

The spelling of 144321424 in words is "one hundred forty-four million, three hundred twenty-one thousand, four hundred twenty-four".