1143400202 has 24 divisors (see below), whose sum is σ = 2100126240. Its totient is φ = 464236920.

The previous prime is 1143400199. The next prime is 1143400213. The reversal of 1143400202 is 2020043411.

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 11 ways as a sum of consecutive naturals, for example, 305174 + ... + 308897.

It is an arithmetic number, because the mean of its divisors is an integer number (87505260).

Almost surely, 2^1143400202 is an apocalyptic number.

1143400202 is a deficient number, since it is larger than the sum of its proper divisors (956726038).

1143400202 is a wasteful number, since it uses less digits than its factorization.

1143400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614106 (or 614099 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1143400202 is about 33814.2011882582. The cubic root of 1143400202 is about 1045.6814925449.

Adding to 1143400202 its reverse (2020043411), we get a palindrome (3163443613).

The spelling of 1143400202 in words is "one billion, one hundred forty-three million, four hundred thousand, two hundred two".