1444115443 has 2 divisors, whose sum is σ = 1444115444. Its totient is φ = 1444115442.

The previous prime is 1444115389. The next prime is 1444115459. The reversal of 1444115443 is 3445114441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444115443 is a prime.

It is a super-2 number, since 2×1444115443² = 4170938825422172498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1444125443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722057721 + 722057722.

It is an arithmetic number, because the mean of its divisors is an integer number (722057722).

Almost surely, 2^1444115443 is an apocalyptic number.

1444115443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444115443 is an equidigital number, since it uses as much as digits as its factorization.

1444115443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 31.

The square root of 1444115443 is about 38001.5189564838. The cubic root of 1444115443 is about 1130.3179837086.

Adding to 1444115443 its reverse (3445114441), we get a palindrome (4889229884).

The spelling of 1444115443 in words is "one billion, four hundred forty-four million, one hundred fifteen thousand, four hundred forty-three".