1444040243 has 2 divisors, whose sum is σ = 1444040244. Its totient is φ = 1444040242.

The previous prime is 1444040237. The next prime is 1444040249. The reversal of 1444040243 is 3420404441.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1444040237) and next prime (1444040249).

It is an emirp because it is prime and its reverse (3420404441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444040243 - 2⁶ = 1444040179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444040249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722020121 + 722020122.

It is an arithmetic number, because the mean of its divisors is an integer number (722020122).

Almost surely, 2^1444040243 is an apocalyptic number.

1444040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444040243 is an equidigital number, since it uses as much as digits as its factorization.

1444040243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1444040243 is about 38000.5295094687. The cubic root of 1444040243 is about 1130.2983635348.

Adding to 1444040243 its reverse (3420404441), we get a palindrome (4864444684).

The spelling of 1444040243 in words is "one billion, four hundred forty-four million, forty thousand, two hundred forty-three".