33144133 has 16 divisors (see below), whose sum is σ = 37195200. Its totient is φ = 29278080.

The previous prime is 33144131. The next prime is 33144161.

It is a happy number.

33144133 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 33144133 - 2¹ = 33144131 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 (33144131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80833 + ... + 81241.

It is an arithmetic number, because the mean of its divisors is an integer number (2324700).

Almost surely, 2^33144133 is an apocalyptic number.

It is an amenable number.

33144133 is a deficient number, since it is larger than the sum of its proper divisors (4051067).

33144133 is a wasteful number, since it uses less digits than its factorization.

33144133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 1296, while the sum is 22.

The square root of 33144133 is about 5757.0941454869. The cubic root of 33144133 is about 321.2197361307.

It can be divided in two parts, 3314 and 4133, that added together give a palindrome (7447).

The spelling of 33144133 in words is "thirty-three million, one hundred forty-four thousand, one hundred thirty-three".