133045033 has 4 divisors (see below), whose sum is σ = 145140048. Its totient is φ = 120950020.

The previous prime is 133045027. The next prime is 133045037. The reversal of 133045033 is 330540331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133045033 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133044995 and 133045013.

It is not an unprimeable number, because it can be changed into a prime (133045037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6047491 + ... + 6047512.

It is an arithmetic number, because the mean of its divisors is an integer number (36285012).

Almost surely, 2^133045033 is an apocalyptic number.

It is an amenable number.

133045033 is a deficient number, since it is larger than the sum of its proper divisors (12095015).

133045033 is a wasteful number, since it uses less digits than its factorization.

133045033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095014.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 133045033 is about 11534.5148575915. The cubic root of 133045033 is about 510.5044771126.

Adding to 133045033 its reverse (330540331), we get a palindrome (463585364).

The spelling of 133045033 in words is "one hundred thirty-three million, forty-five thousand, thirty-three".