1143200552 has 32 divisors (see below), whose sum is σ = 2357510400. Its totient is φ = 516402624.

The previous prime is 1143200549. The next prime is 1143200557. The reversal of 1143200552 is 2550023411.

It is not an unprimeable number, because it can be changed into a prime (1143200557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 112052 + ... + 121827.

It is an arithmetic number, because the mean of its divisors is an integer number (73672200).

Almost surely, 2^1143200552 is an apocalyptic number.

It is an amenable number.

1143200552 is an abundant number, since it is smaller than the sum of its proper divisors (1214309848).

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

1143200552 is a wasteful number, since it uses less digits than its factorization.

1143200552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233945 (or 233941 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1143200552 is about 33811.2488973714. The cubic root of 1143200552 is about 1045.6206265821.

Adding to 1143200552 its reverse (2550023411), we get a palindrome (3693223963).

The spelling of 1143200552 in words is "one billion, one hundred forty-three million, two hundred thousand, five hundred fifty-two".