1143453422 has 8 divisors (see below), whose sum is σ = 1816073136. Its totient is φ = 538095712.

The previous prime is 1143453391. The next prime is 1143453431. The reversal of 1143453422 is 2243543411.

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

It is a congruent number.

It is an unprimeable number.

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, 16815458 + ... + 16815525.

It is an arithmetic number, because the mean of its divisors is an integer number (227009142).

Almost surely, 2^1143453422 is an apocalyptic number.

1143453422 is a deficient number, since it is larger than the sum of its proper divisors (672619714).

1143453422 is a wasteful number, since it uses less digits than its factorization.

1143453422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33631002.

The product of its digits is 11520, while the sum is 29.

The square root of 1143453422 is about 33814.9881265690. The cubic root of 1143453422 is about 1045.6977161749.

Adding to 1143453422 its reverse (2243543411), we get a palindrome (3386996833).

The spelling of 1143453422 in words is "one billion, one hundred forty-three million, four hundred fifty-three thousand, four hundred twenty-two".