1143422808 has 64 divisors (see below), whose sum is σ = 3150645120. Its totient is φ = 342912000.

The previous prime is 1143422789. The next prime is 1143422809. The reversal of 1143422808 is 8082243411.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143422809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3283 + ... + 47933.

It is an arithmetic number, because the mean of its divisors is an integer number (49228830).

Almost surely, 2^1143422808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143422808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575322560).

1143422808 is an abundant number, since it is smaller than the sum of its proper divisors (2007222312).

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

1143422808 is a wasteful number, since it uses less digits than its factorization.

1143422808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44768 (or 44764 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1143422808 is about 33814.5354544462. The cubic root of 1143422808 is about 1045.6883838386.

The spelling of 1143422808 in words is "one billion, one hundred forty-three million, four hundred twenty-two thousand, eight hundred eight".