1142320033 has 8 divisors (see below), whose sum is σ = 1202778720. Its totient is φ = 1081895040.

The previous prime is 1142320031. The next prime is 1142320037. The reversal of 1142320033 is 3300232411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142320033 - 2¹ = 1142320031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91953 + ... + 103633.

It is an arithmetic number, because the mean of its divisors is an integer number (150347340).

Almost surely, 2^1142320033 is an apocalyptic number.

It is an amenable number.

1142320033 is a deficient number, since it is larger than the sum of its proper divisors (60458687).

1142320033 is a wasteful number, since it uses less digits than its factorization.

1142320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16847.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1142320033 is about 33798.2252936452. The cubic root of 1142320033 is about 1045.3521040537.

Adding to 1142320033 its reverse (3300232411), we get a palindrome (4442552444).

The spelling of 1142320033 in words is "one billion, one hundred forty-two million, three hundred twenty thousand, thirty-three".