1143225230 has 32 divisors (see below), whose sum is σ = 2354033664. Its totient is φ = 391586976.

The previous prime is 1143225229. The next prime is 1143225253. The reversal of 1143225230 is 325223411.

It is a super-3 number, since 3×1143225230³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1143225196 and 1143225205.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 71339 + ... + 85881.

It is an arithmetic number, because the mean of its divisors is an integer number (73563552).

Almost surely, 2^1143225230 is an apocalyptic number.

1143225230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143225230 is an abundant number, since it is smaller than the sum of its proper divisors (1210808434).

1143225230 is a wasteful number, since it uses less digits than its factorization.

1143225230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1143225230 is about 33811.6138331195. The cubic root of 1143225230 is about 1045.6281503830.

Adding to 1143225230 its reverse (325223411), we get a palindrome (1468448641).

The spelling of 1143225230 in words is "one billion, one hundred forty-three million, two hundred twenty-five thousand, two hundred thirty".