1143413242 has 4 divisors (see below), whose sum is σ = 1715119866. Its totient is φ = 571706620.

The previous prime is 1143413239. The next prime is 1143413273. The reversal of 1143413242 is 2423143411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 899460081 + 243953161 = 29991^2 + 15619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285853309 + ... + 285853312.

Almost surely, 2^1143413242 is an apocalyptic number.

1143413242 is a deficient number, since it is larger than the sum of its proper divisors (571706624).

1143413242 is an equidigital number, since it uses as much as digits as its factorization.

1143413242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571706623.

The product of its digits is 2304, while the sum is 25.

The square root of 1143413242 is about 33814.3940061034. The cubic root of 1143413242 is about 1045.6854677161.

Adding to 1143413242 its reverse (2423143411), we get a palindrome (3566556653).

The spelling of 1143413242 in words is "one billion, one hundred forty-three million, four hundred thirteen thousand, two hundred forty-two".