144021324 has 48 divisors (see below), whose sum is σ = 342841856. Its totient is φ = 47044800.

The previous prime is 144021323. The next prime is 144021347. The reversal of 144021324 is 423120441.

It is a self number, because there is not a number n which added to its sum of digits gives 144021324.

It is not an unprimeable number, because it can be changed into a prime (144021323) 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, 217554 + ... + 218214.

Almost surely, 2^144021324 is an apocalyptic number.

It is an amenable number.

144021324 is an abundant number, since it is smaller than the sum of its proper divisors (198820532).

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

144021324 is a wasteful number, since it uses less digits than its factorization.

144021324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144021324 is about 12000.8884671094. Note that the first 3 decimals coincide. The cubic root of 144021324 is about 524.1741501062.

Adding to 144021324 its reverse (423120441), we get a palindrome (567141765).

The spelling of 144021324 in words is "one hundred forty-four million, twenty-one thousand, three hundred twenty-four".