144044441 has 4 divisors (see below), whose sum is σ = 147937572. Its totient is φ = 140151312.

The previous prime is 144044437. The next prime is 144044443. The reversal of 144044441 is 144440441.

144044441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121992025 + 22052416 = 11045^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 144044441 - 2² = 144044437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144044441.

It is not an unprimeable number, because it can be changed into a prime (144044443) 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, 1946510 + ... + 1946583.

It is an arithmetic number, because the mean of its divisors is an integer number (36984393).

Almost surely, 2^144044441 is an apocalyptic number.

It is an amenable number.

144044441 is a deficient number, since it is larger than the sum of its proper divisors (3893131).

144044441 is an equidigital number, since it uses as much as digits as its factorization.

144044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893130.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 144044441 is about 12001.8515654877. The cubic root of 144044441 is about 524.2021938367.

Adding to 144044441 its reverse (144440441), we get a palindrome (288484882).

The spelling of 144044441 in words is "one hundred forty-four million, forty-four thousand, four hundred forty-one".