1143524040 has 64 divisors (see below), whose sum is σ = 3632376960. Its totient is φ = 287001600.

The previous prime is 1143524029. The next prime is 1143524047. The reversal of 1143524040 is 404253411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1143524040.

It is not an unprimeable number, because it can be changed into a prime (1143524047) 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 15 ways as a sum of consecutive naturals, for example, 278236 + ... + 282315.

It is an arithmetic number, because the mean of its divisors is an integer number (56755890).

Almost surely, 2^1143524040 is an apocalyptic number.

1143524040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143524040 is an abundant number, since it is smaller than the sum of its proper divisors (2488852920).

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

1143524040 is a wasteful number, since it uses less digits than its factorization.

1143524040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560582 (or 560578 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1143524040 is about 33816.0322923905. The cubic root of 1143524040 is about 1045.7192426489.

Adding to 1143524040 its reverse (404253411), we get a palindrome (1547777451).

The spelling of 1143524040 in words is "one billion, one hundred forty-three million, five hundred twenty-four thousand, forty".