1143040330 has 16 divisors (see below), whose sum is σ = 2057917824. Its totient is φ = 457117200.

The previous prime is 1143040303. The next prime is 1143040333. The reversal of 1143040330 is 330403411.

It is a junction number, because it is equal to n+sod(n) for n = 1143040298 and 1143040307.

It is not an unprimeable number, because it can be changed into a prime (1143040333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52219 + ... + 70801.

It is an arithmetic number, because the mean of its divisors is an integer number (128619864).

Almost surely, 2^1143040330 is an apocalyptic number.

1143040330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143040330 is a deficient number, since it is larger than the sum of its proper divisors (914877494).

1143040330 is a wasteful number, since it uses less digits than its factorization.

1143040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24741.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1143040330 is about 33808.8794549598. The cubic root of 1143040330 is about 1045.5717756449.

Adding to 1143040330 its reverse (330403411), we get a palindrome (1473443741).

The spelling of 1143040330 in words is "one billion, one hundred forty-three million, forty thousand, three hundred thirty".