1113144443 has 2 divisors, whose sum is σ = 1113144444. Its totient is φ = 1113144442.

The previous prime is 1113144437. The next prime is 1113144463. The reversal of 1113144443 is 3444413111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3444413111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113144443 - 2²⁰ = 1112095867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113144463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556572221 + 556572222.

It is an arithmetic number, because the mean of its divisors is an integer number (556572222).

Almost surely, 2^1113144443 is an apocalyptic number.

1113144443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113144443 is an equidigital number, since it uses as much as digits as its factorization.

1113144443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 1113144443 is about 33363.8193706896. The cubic root of 1113144443 is about 1036.3755871368.

Adding to 1113144443 its reverse (3444413111), we get a palindrome (4557557554).

The spelling of 1113144443 in words is "one billion, one hundred thirteen million, one hundred forty-four thousand, four hundred forty-three".