144443241 has 12 divisors (see below), whose sum is σ = 208752180. Its totient is φ = 96243840.

The previous prime is 144443219. The next prime is 144443281. The reversal of 144443241 is 142344441.

It can be written as a sum of positive squares in 2 ways, for example, as 131331600 + 13111641 = 11460^2 + 3621^2 .

It is not a de Polignac number, because 144443241 - 2⁵ = 144443209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144443281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21621 + ... + 27501.

It is an arithmetic number, because the mean of its divisors is an integer number (17396015).

Almost surely, 2^144443241 is an apocalyptic number.

It is an amenable number.

144443241 is a deficient number, since it is larger than the sum of its proper divisors (64308939).

144443241 is a wasteful number, since it uses less digits than its factorization.

144443241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616 (or 8613 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 144443241 is about 12018.4541851271. The cubic root of 144443241 is about 524.6855150565.

Adding to 144443241 its reverse (142344441), we get a palindrome (286787682).

The spelling of 144443241 in words is "one hundred forty-four million, four hundred forty-three thousand, two hundred forty-one".