1143146133 has 24 divisors (see below), whose sum is σ = 1694563416. Its totient is φ = 742156800.

The previous prime is 1143146119. The next prime is 1143146143. The reversal of 1143146133 is 3316413411.

1143146133 is a `hidden beast` number, since 1 + 1 + 43 + 1 + 4 + 613 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1855044 + 1141291089 = 1362^2 + 33783^2 .

It is not a de Polignac number, because 1143146133 - 2²⁶ = 1076037269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143146097 and 1143146106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143146143) 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 23 ways as a sum of consecutive naturals, for example, 225163 + ... + 230183.

It is an arithmetic number, because the mean of its divisors is an integer number (70606809).

Almost surely, 2^1143146133 is an apocalyptic number.

It is an amenable number.

1143146133 is a deficient number, since it is larger than the sum of its proper divisors (551417283).

1143146133 is a wasteful number, since it uses less digits than its factorization.

1143146133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685 (or 5682 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1143146133 is about 33810.4441408273. Note that the first 3 decimals coincide. The cubic root of 1143146133 is about 1045.6040349958.

Adding to 1143146133 its reverse (3316413411), we get a palindrome (4459559544).

The spelling of 1143146133 in words is "one billion, one hundred forty-three million, one hundred forty-six thousand, one hundred thirty-three".