1445112443 has 2 divisors, whose sum is σ = 1445112444. Its totient is φ = 1445112442.

The previous prime is 1445112437. The next prime is 1445112451. The reversal of 1445112443 is 3442115441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1445112443 - 2¹² = 1445108347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445112433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722556221 + 722556222.

It is an arithmetic number, because the mean of its divisors is an integer number (722556222).

Almost surely, 2^1445112443 is an apocalyptic number.

1445112443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445112443 is an equidigital number, since it uses as much as digits as its factorization.

1445112443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

The square root of 1445112443 is about 38014.6345898524. The cubic root of 1445112443 is about 1130.5780432017.

Adding to 1445112443 its reverse (3442115441), we get a palindrome (4887227884).

The spelling of 1445112443 in words is "one billion, four hundred forty-five million, one hundred twelve thousand, four hundred forty-three".