1142432303 has 4 divisors (see below), whose sum is σ = 1147172928. Its totient is φ = 1137691680.

The previous prime is 1142432257. The next prime is 1142432321. The reversal of 1142432303 is 3032342411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142432303 - 2⁸ = 1142432047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142432363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369951 + ... + 2370432.

It is an arithmetic number, because the mean of its divisors is an integer number (286793232).

Almost surely, 2^1142432303 is an apocalyptic number.

1142432303 is a deficient number, since it is larger than the sum of its proper divisors (4740625).

1142432303 is an equidigital number, since it uses as much as digits as its factorization.

1142432303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740624.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1142432303 is about 33799.8861388615. The cubic root of 1142432303 is about 1045.3863495169.

Adding to 1142432303 its reverse (3032342411), we get a palindrome (4174774714).

The spelling of 1142432303 in words is "one billion, one hundred forty-two million, four hundred thirty-two thousand, three hundred three".