1143040242 has 8 divisors (see below), whose sum is σ = 2286080496. Its totient is φ = 381013412.

The previous prime is 1143040231. The next prime is 1143040267. The reversal of 1143040242 is 2420403411.

It is a sphenic number, since it is the product of 3 distinct primes.

1143040242 is an admirable 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, 95253348 + ... + 95253359.

It is an arithmetic number, because the mean of its divisors is an integer number (285760062).

Almost surely, 2^1143040242 is an apocalyptic number.

1143040242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1143040242 is a wasteful number, since it uses less digits than its factorization.

1143040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190506712.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1143040242 is about 33808.8781535265. The cubic root of 1143040242 is about 1045.5717488128.

Adding to 1143040242 its reverse (2420403411), we get a palindrome (3563443653).

The spelling of 1143040242 in words is "one billion, one hundred forty-three million, forty thousand, two hundred forty-two".