1143340100 has 72 divisors (see below), whose sum is σ = 3002307840. Its totient is φ = 368939520.

The previous prime is 1143340073. The next prime is 1143340103. The reversal of 1143340100 is 10433411.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1143340103) 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 23 ways as a sum of consecutive naturals, for example, 36140 + ... + 59939.

It is an arithmetic number, because the mean of its divisors is an integer number (41698720).

Almost surely, 2^1143340100 is an apocalyptic number.

1143340100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143340100 is an abundant number, since it is smaller than the sum of its proper divisors (1858967740).

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

1143340100 is a wasteful number, since it uses less digits than its factorization.

1143340100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96117 (or 96110 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1143340100 is about 33813.3124671334. The cubic root of 1143340100 is about 1045.6631703948.

Adding to 1143340100 its reverse (10433411), we get a palindrome (1153773511).

The spelling of 1143340100 in words is "one billion, one hundred forty-three million, three hundred forty thousand, one hundred".