1143243422 has 8 divisors (see below), whose sum is σ = 1724340072. Its totient is φ = 568463400.

The previous prime is 1143243403. The next prime is 1143243461. The reversal of 1143243422 is 2243423411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1143243391 and 1143243400.

It is a congruent number.

It is an unprimeable number.

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, 1578704 + ... + 1579427.

It is an arithmetic number, because the mean of its divisors is an integer number (215542509).

Almost surely, 2^1143243422 is an apocalyptic number.

1143243422 is a deficient number, since it is larger than the sum of its proper divisors (581096650).

1143243422 is a wasteful number, since it uses less digits than its factorization.

1143243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158314.

The product of its digits is 4608, while the sum is 26.

The square root of 1143243422 is about 33811.8828520389. The cubic root of 1143243422 is about 1045.6336966702.

Adding to 1143243422 its reverse (2243423411), we get a palindrome (3386666833).

The spelling of 1143243422 in words is "one billion, one hundred forty-three million, two hundred forty-three thousand, four hundred twenty-two".