1143304742 has 4 divisors (see below), whose sum is σ = 1714957116. Its totient is φ = 571652370.

The previous prime is 1143304741. The next prime is 1143304763. The reversal of 1143304742 is 2474033411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143304741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285826184 + ... + 285826187.

It is an arithmetic number, because the mean of its divisors is an integer number (428739279).

Almost surely, 2^1143304742 is an apocalyptic number.

1143304742 is a deficient number, since it is larger than the sum of its proper divisors (571652374).

1143304742 is an equidigital number, since it uses as much as digits as its factorization.

1143304742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571652373.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1143304742 is about 33812.7896216801. The cubic root of 1143304742 is about 1045.6523911759.

The spelling of 1143304742 in words is "one billion, one hundred forty-three million, three hundred four thousand, seven hundred forty-two".