144244241 has 8 divisors (see below), whose sum is σ = 148348200. Its totient is φ = 140151168.

The previous prime is 144244237. The next prime is 144244253. The reversal of 144244241 is 142442441.

It can be written as a sum of positive squares in 4 ways, for example, as 101929216 + 42315025 = 10096^2 + 6505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144244241 - 2² = 144244237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144244241.

It is not an unprimeable number, because it can be changed into a prime (144241241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29435 + ... + 33983.

It is an arithmetic number, because the mean of its divisors is an integer number (18543525).

Almost surely, 2^144244241 is an apocalyptic number.

It is an amenable number.

144244241 is a deficient number, since it is larger than the sum of its proper divisors (4103959).

144244241 is an equidigital number, since it uses as much as digits as its factorization.

144244241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443.

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

The square root of 144244241 is about 12010.1723967643. The cubic root of 144244241 is about 524.4444505773. Note that the first 4 decimals are identical.

Adding to 144244241 its reverse (142442441), we get a palindrome (286686682).

The spelling of 144244241 in words is "one hundred forty-four million, two hundred forty-four thousand, two hundred forty-one".