1144422043 has 4 divisors (see below), whose sum is σ = 1145187000. Its totient is φ = 1143657088.

The previous prime is 1144422029. The next prime is 1144422047. The reversal of 1144422043 is 3402244411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144422043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144421999 and 1144422017.

It is not an unprimeable number, because it can be changed into a prime (1144422047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380230 + ... + 383227.

It is an arithmetic number, because the mean of its divisors is an integer number (286296750).

Almost surely, 2^1144422043 is an apocalyptic number.

1144422043 is a deficient number, since it is larger than the sum of its proper divisors (764957).

1144422043 is an equidigital number, since it uses as much as digits as its factorization.

1144422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764956.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1144422043 is about 33829.3074567009. The cubic root of 1144422043 is about 1045.9929035075.

Adding to 1144422043 its reverse (3402244411), we get a palindrome (4546666454).

The spelling of 1144422043 in words is "one billion, one hundred forty-four million, four hundred twenty-two thousand, forty-three".