144004244 has 12 divisors (see below), whose sum is σ = 252506100. Its totient is φ = 71859648.

The previous prime is 144004241. The next prime is 144004261. The reversal of 144004244 is 442400441.

It can be written as a sum of positive squares in 2 ways, for example, as 104816644 + 39187600 = 10238^2 + 6260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144004241) 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 3 ways as a sum of consecutive naturals, for example, 33329 + ... + 37400.

It is an arithmetic number, because the mean of its divisors is an integer number (21042175).

Almost surely, 2^144004244 is an apocalyptic number.

It is an amenable number.

144004244 is a deficient number, since it is larger than the sum of its proper divisors (108501856).

144004244 is a wasteful number, since it uses less digits than its factorization.

144004244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71242 (or 71240 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 144004244 is about 12000.1768320304. The cubic root of 144004244 is about 524.1534280627.

Adding to 144004244 its reverse (442400441), we get a palindrome (586404685).

The spelling of 144004244 in words is "one hundred forty-four million, four thousand, two hundred forty-four".