144144441 has 56 divisors (see below), whose sum is σ = 252666624. Its totient is φ = 80481600.

The previous prime is 144144433. The next prime is 144144443. The reversal of 144144441 is 144441441.

144144441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144144441 - 2³ = 144144433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144144443) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 239541 + ... + 240141.

It is an arithmetic number, because the mean of its divisors is an integer number (4511904).

Almost surely, 2^144144441 is an apocalyptic number.

It is an amenable number.

144144441 is a deficient number, since it is larger than the sum of its proper divisors (108522183).

144144441 is an frugal number, since it uses more digits than its factorization.

144144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 658 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 144144441 is about 12006.0168665549. The cubic root of 144144441 is about 524.3234714394.

Adding to 144144441 its reverse (144441441), we get a palindrome (288585882).

The spelling of 144144441 in words is "one hundred forty-four million, one hundred forty-four thousand, four hundred forty-one".