144421241 has 2 divisors, whose sum is σ = 144421242. Its totient is φ = 144421240.

The previous prime is 144421231. The next prime is 144421253. The reversal of 144421241 is 142124441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134467216 + 9954025 = 11596^2 + 3155^2 .

It is an emirp because it is prime and its reverse (142124441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144421241 - 2¹⁴ = 144404857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144421231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72210620 + 72210621.

It is an arithmetic number, because the mean of its divisors is an integer number (72210621).

Almost surely, 2^144421241 is an apocalyptic number.

It is an amenable number.

144421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

144421241 is an equidigital number, since it uses as much as digits as its factorization.

144421241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 23.

The square root of 144421241 is about 12017.5388911374. The cubic root of 144421241 is about 524.6588756021.

Adding to 144421241 its reverse (142124441), we get a palindrome (286545682).

The spelling of 144421241 in words is "one hundred forty-four million, four hundred twenty-one thousand, two hundred forty-one".