1143534100 has 18 divisors (see below), whose sum is σ = 2481469214. Its totient is φ = 457413600.

The previous prime is 1143534097. The next prime is 1143534101. The reversal of 1143534100 is 14353411.

It can be written as a sum of positive squares in 3 ways, for example, as 6091024 + 1137443076 = 2468^2 + 33726^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143534101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5717571 + ... + 5717770.

Almost surely, 2^1143534100 is an apocalyptic number.

1143534100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143534100 is an abundant number, since it is smaller than the sum of its proper divisors (1337935114).

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

1143534100 is a wasteful number, since it uses less digits than its factorization.

1143534100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435355 (or 11435348 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1143534100 is about 33816.1810380770. The cubic root of 1143534100 is about 1045.7223091651.

Adding to 1143534100 its reverse (14353411), we get a palindrome (1157887511).

The spelling of 1143534100 in words is "one billion, one hundred forty-three million, five hundred thirty-four thousand, one hundred".