1143355330 has 64 divisors (see below), whose sum is σ = 2325851136. Its totient is φ = 401760000.

The previous prime is 1143355319. The next prime is 1143355373. The reversal of 1143355330 is 335533411.

It is a super-2 number, since 2×1143355330² = 2614522821278817800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243505 + ... + 248155.

It is an arithmetic number, because the mean of its divisors is an integer number (36341424).

Almost surely, 2^1143355330 is an apocalyptic number.

1143355330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143355330 is an abundant number, since it is smaller than the sum of its proper divisors (1182495806).

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

1143355330 is a wasteful number, since it uses less digits than its factorization.

1143355330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 1143355330 is about 33813.5376735413. The cubic root of 1143355330 is about 1045.6678133351.

Adding to 1143355330 its reverse (335533411), we get a palindrome (1478888741).

The spelling of 1143355330 in words is "one billion, one hundred forty-three million, three hundred fifty-five thousand, three hundred thirty".