1142323116 has 24 divisors (see below), whose sum is σ = 2907731904. Its totient is φ = 346158480.

The previous prime is 1142323103. The next prime is 1142323153. The reversal of 1142323116 is 6113232411.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4326850 + ... + 4327113.

It is an arithmetic number, because the mean of its divisors is an integer number (121155496).

Almost surely, 2^1142323116 is an apocalyptic number.

It is an amenable number.

1142323116 is an abundant number, since it is smaller than the sum of its proper divisors (1765408788).

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

1142323116 is a wasteful number, since it uses less digits than its factorization.

1142323116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653981 (or 8653979 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1142323116 is about 33798.2709025181. The cubic root of 1142323116 is about 1045.3530444841.

Adding to 1142323116 its reverse (6113232411), we get a palindrome (7255555527).

The spelling of 1142323116 in words is "one billion, one hundred forty-two million, three hundred twenty-three thousand, one hundred sixteen".