144321344 has 14 divisors (see below), whose sum is σ = 286387794. Its totient is φ = 72160640.

The previous prime is 144321329. The next prime is 144321377. The reversal of 144321344 is 443123441.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 62599744 = 9040^2 + 7912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127447 + ... + 1127574.

It is an arithmetic number, because the mean of its divisors is an integer number (20456271).

Almost surely, 2^144321344 is an apocalyptic number.

It is an amenable number.

144321344 is a deficient number, since it is larger than the sum of its proper divisors (142066450).

144321344 is an equidigital number, since it uses as much as digits as its factorization.

144321344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255033 (or 2255023 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 144321344 is about 12013.3818718960. The cubic root of 144321344 is about 524.5378778493.

Adding to 144321344 its reverse (443123441), we get a palindrome (587444785).

The spelling of 144321344 in words is "one hundred forty-four million, three hundred twenty-one thousand, three hundred forty-four".