1133145233 has 8 divisors (see below), whose sum is σ = 1238222496. Its totient is φ = 1028412000.

The previous prime is 1133145227. The next prime is 1133145253. The reversal of 1133145233 is 3325413311.

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

It is not a de Polignac number, because 1133145233 - 2²⁶ = 1066036369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133145253) 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, 79091 + ... + 92312.

It is an arithmetic number, because the mean of its divisors is an integer number (154777812).

Almost surely, 2^1133145233 is an apocalyptic number.

It is an amenable number.

1133145233 is a deficient number, since it is larger than the sum of its proper divisors (105077263).

1133145233 is a wasteful number, since it uses less digits than its factorization.

1133145233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172015.

The product of its digits is 3240, while the sum is 26.

The square root of 1133145233 is about 33662.2226390356. Note that the first 3 decimals coincide. The cubic root of 1133145233 is about 1042.5459176542.

Adding to 1133145233 its reverse (3325413311), we get a palindrome (4458558544).

The spelling of 1133145233 in words is "one billion, one hundred thirty-three million, one hundred forty-five thousand, two hundred thirty-three".