1144022043 has 4 divisors (see below), whose sum is σ = 1525362728. Its totient is φ = 762681360.

The previous prime is 1144022041. The next prime is 1144022059. The reversal of 1144022043 is 3402204411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3402204411 = 3 ⋅1134068137.

It is not a de Polignac number, because 1144022043 - 2¹ = 1144022041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190670338 + ... + 190670343.

It is an arithmetic number, because the mean of its divisors is an integer number (381340682).

Almost surely, 2^1144022043 is an apocalyptic number.

1144022043 is a deficient number, since it is larger than the sum of its proper divisors (381340685).

1144022043 is an equidigital number, since it uses as much as digits as its factorization.

1144022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381340684.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1144022043 is about 33823.3949064845. The cubic root of 1144022043 is about 1045.8710236702.

Adding to 1144022043 its reverse (3402204411), we get a palindrome (4546226454).

The spelling of 1144022043 in words is "one billion, one hundred forty-four million, twenty-two thousand, forty-three".