1143305242 has 8 divisors (see below), whose sum is σ = 1754840736. Its totient is φ = 558358332.

The previous prime is 1143305239. The next prime is 1143305257. The reversal of 1143305242 is 2425033411.

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

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, 6647038 + ... + 6647209.

It is an arithmetic number, because the mean of its divisors is an integer number (219355092).

Almost surely, 2^1143305242 is an apocalyptic number.

1143305242 is a deficient number, since it is larger than the sum of its proper divisors (611535494).

1143305242 is a wasteful number, since it uses less digits than its factorization.

1143305242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294292.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1143305242 is about 33812.7970153313. The cubic root of 1143305242 is about 1045.6525436072.

Adding to 1143305242 its reverse (2425033411), we get a palindrome (3568338653).

The spelling of 1143305242 in words is "one billion, one hundred forty-three million, three hundred five thousand, two hundred forty-two".