1143400200 has 48 divisors (see below), whose sum is σ = 3544542480. Its totient is φ = 304906560.

The previous prime is 1143400199. The next prime is 1143400213. The reversal of 1143400200 is 20043411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1143400200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952234 + ... + 953433.

It is an arithmetic number, because the mean of its divisors is an integer number (73844635).

Almost surely, 2^1143400200 is an apocalyptic number.

1143400200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143400200 is an abundant number, since it is smaller than the sum of its proper divisors (2401142280).

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

1143400200 is a wasteful number, since it uses less digits than its factorization.

1143400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905686 (or 1905677 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1143400200 is about 33814.2011586848. The cubic root of 1143400200 is about 1045.6814919352.

Adding to 1143400200 its reverse (20043411), we get a palindrome (1163443611).

The spelling of 1143400200 in words is "one billion, one hundred forty-three million, four hundred thousand, two hundred".