144240244 has 12 divisors (see below), whose sum is σ = 252695268. Its totient is φ = 72041600.

The previous prime is 144240209. The next prime is 144240247. The reversal of 144240244 is 442042441.

144240244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 89302500 + 54937744 = 9450^2 + 7412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15397 + ... + 22924.

It is an arithmetic number, because the mean of its divisors is an integer number (21057939).

Almost surely, 2^144240244 is an apocalyptic number.

It is an amenable number.

144240244 is a deficient number, since it is larger than the sum of its proper divisors (108455024).

144240244 is a wasteful number, since it uses less digits than its factorization.

144240244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39266 (or 39264 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 144240244 is about 12010.0059950027. The cubic root of 144240244 is about 524.4396064236.

Adding to 144240244 its reverse (442042441), we get a palindrome (586282685).

The spelling of 144240244 in words is "one hundred forty-four million, two hundred forty thousand, two hundred forty-four".