1143334240 has 24 divisors (see below), whose sum is σ = 2701127520. Its totient is φ = 457333632.

The previous prime is 1143334237. The next prime is 1143334319. The reversal of 1143334240 is 424333411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572760 + ... + 3573079.

It is an arithmetic number, because the mean of its divisors is an integer number (112546980).

Almost surely, 2^1143334240 is an apocalyptic number.

1143334240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143334240 is an abundant number, since it is smaller than the sum of its proper divisors (1557793280).

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

1143334240 is an equidigital number, since it uses as much as digits as its factorization.

1143334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145854 (or 7145846 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1143334240 is about 33813.2258147607. The cubic root of 1143334240 is about 1045.6613839340.

Adding to 1143334240 its reverse (424333411), we get a palindrome (1567667651).

The spelling of 1143334240 in words is "one billion, one hundred forty-three million, three hundred thirty-four thousand, two hundred forty".