144012244 has 6 divisors (see below), whose sum is σ = 252021434. Its totient is φ = 72006120.

The previous prime is 144012241. The next prime is 144012247. The reversal of 144012244 is 442210441.

144012244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144012241) and next prime (144012247).

It can be written as a sum of positive squares in only one way, i.e., 127916100 + 16096144 = 11310^2 + 4012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144012241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18001527 + ... + 18001534.

Almost surely, 2^144012244 is an apocalyptic number.

It is an amenable number.

144012244 is a deficient number, since it is larger than the sum of its proper divisors (108009190).

144012244 is a wasteful number, since it uses less digits than its factorization.

144012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36003065 (or 36003063 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 144012244 is about 12000.5101558225. The cubic root of 144012244 is about 524.1631341419.

Adding to 144012244 its reverse (442210441), we get a palindrome (586222685).

The spelling of 144012244 in words is "one hundred forty-four million, twelve thousand, two hundred forty-four".