1143243060 has 144 divisors (see below), whose sum is σ = 3381705600. Its totient is φ = 288541440.

The previous prime is 1143243007. The next prime is 1143243061. The reversal of 1143243060 is 603423411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143243060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143243061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5744841 + ... + 5745039.

Almost surely, 2^1143243060 is an apocalyptic number.

1143243060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143243060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690852800).

1143243060 is an abundant number, since it is smaller than the sum of its proper divisors (2238462540).

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

1143243060 is a wasteful number, since it uses less digits than its factorization.

1143243060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1143243060 is about 33811.8774988908. The cubic root of 1143243060 is about 1045.6335863060.

Adding to 1143243060 its reverse (603423411), we get a palindrome (1746666471).

The spelling of 1143243060 in words is "one billion, one hundred forty-three million, two hundred forty-three thousand, sixty".