1143142322 has 16 divisors (see below), whose sum is σ = 2074947840. Its totient is φ = 461099328.

The previous prime is 1143142303. The next prime is 1143142327. The reversal of 1143142322 is 2232413411.

It is not an unprimeable number, because it can be changed into a prime (1143142327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401322 + ... + 2401797.

It is an arithmetic number, because the mean of its divisors is an integer number (129684240).

Almost surely, 2^1143142322 is an apocalyptic number.

1143142322 is a deficient number, since it is larger than the sum of its proper divisors (931805518).

1143142322 is a wasteful number, since it uses less digits than its factorization.

1143142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803145.

The product of its digits is 1152, while the sum is 23.

The square root of 1143142322 is about 33810.3877824553. The cubic root of 1143142322 is about 1045.6028730559.

Adding to 1143142322 its reverse (2232413411), we get a palindrome (3375555733).

The spelling of 1143142322 in words is "one billion, one hundred forty-three million, one hundred forty-two thousand, three hundred twenty-two".