144321244 has 24 divisors (see below), whose sum is σ = 266782208. Its totient is φ = 68206320.

The previous prime is 144321241. The next prime is 144321269. The reversal of 144321244 is 442123441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144321241) 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, 8202 + ... + 18865.

Almost surely, 2^144321244 is an apocalyptic number.

It is an amenable number.

144321244 is a deficient number, since it is larger than the sum of its proper divisors (122460964).

144321244 is a wasteful number, since it uses less digits than its factorization.

144321244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145 (or 27143 counting only the distinct ones).

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

The square root of 144321244 is about 12013.3777098699. The cubic root of 144321244 is about 524.5377566988.

Adding to 144321244 its reverse (442123441), we get a palindrome (586444685).

The spelling of 144321244 in words is "one hundred forty-four million, three hundred twenty-one thousand, two hundred forty-four".