1444122243 has 8 divisors (see below), whose sum is σ = 2139440400. Its totient is φ = 962748144.

The previous prime is 1444122241. The next prime is 1444122257. The reversal of 1444122243 is 3422214441.

1444122243 is a `hidden beast` number, since 1 + 4 + 4 + 412 + 2 + 243 = 666.

It is not a de Polignac number, because 1444122243 - 2¹ = 1444122241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53486009 = 1444122243 / (1 + 4 + 4 + 4 + 1 + 2 + 2 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (1444122241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26742978 + ... + 26743031.

It is an arithmetic number, because the mean of its divisors is an integer number (267430050).

Almost surely, 2^1444122243 is an apocalyptic number.

1444122243 is a deficient number, since it is larger than the sum of its proper divisors (695318157).

1444122243 is an equidigital number, since it uses as much as digits as its factorization.

1444122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53486018 (or 53486012 counting only the distinct ones).

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

The square root of 1444122243 is about 38001.6084264864. The cubic root of 1444122243 is about 1130.3197578397.

Adding to 1444122243 its reverse (3422214441), we get a palindrome (4866336684).

The spelling of 1444122243 in words is "one billion, four hundred forty-four million, one hundred twenty-two thousand, two hundred forty-three".