1143233142 has 8 divisors (see below), whose sum is σ = 2286466296. Its totient is φ = 381077712.

The previous prime is 1143233137. The next prime is 1143233149. The reversal of 1143233142 is 2413323411.

It is a happy number.

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

1143233142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143233149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95269423 + ... + 95269434.

It is an arithmetic number, because the mean of its divisors is an integer number (285808287).

Almost surely, 2^1143233142 is an apocalyptic number.

1143233142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143233142 is a wasteful number, since it uses less digits than its factorization.

1143233142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190538862.

The product of its digits is 1728, while the sum is 24.

The square root of 1143233142 is about 33811.7308341351. The cubic root of 1143233142 is about 1045.6305625618.

Adding to 1143233142 its reverse (2413323411), we get a palindrome (3556556553).

The spelling of 1143233142 in words is "one billion, one hundred forty-three million, two hundred thirty-three thousand, one hundred forty-two".