1143424000 has 88 divisors (see below), whose sum is σ = 2852912088. Its totient is φ = 457318400.

The previous prime is 1143423997. The next prime is 1143424013. The reversal of 1143424000 is 4243411.

It can be written as a sum of positive squares in 4 ways, for example, as 127599616 + 1015824384 = 11296^2 + 31872^2 .

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, 123534 + ... + 132466.

Almost surely, 2^1143424000 is an apocalyptic number.

1143424000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426456044).

1143424000 is an abundant number, since it is smaller than the sum of its proper divisors (1709488088).

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

1143424000 is an frugal number, since it uses more digits than its factorization.

1143424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1143424000 is about 33814.5530799980. The cubic root of 1143424000 is about 1045.6887472096.

Adding to 1143424000 its reverse (4243411), we get a palindrome (1147667411).

The spelling of 1143424000 in words is "one billion, one hundred forty-three million, four hundred twenty-four thousand".