33243152 has 20 divisors (see below), whose sum is σ = 64498476. Its totient is φ = 16598400.

The previous prime is 33243097. The next prime is 33243157. The reversal of 33243152 is 25134233.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 31181056 = 1436^2 + 5584^2 .

It is a super-2 number, since 2×33243152² = 2210214309790208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33243157) 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, 20018 + ... + 21614.

Almost surely, 2^33243152 is an apocalyptic number.

It is an amenable number.

33243152 is a deficient number, since it is larger than the sum of its proper divisors (31255324).

33243152 is a wasteful number, since it uses less digits than its factorization.

33243152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906 (or 2900 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 33243152 is about 5765.6874698513. The cubic root of 33243152 is about 321.5393023407.

Adding to 33243152 its reverse (25134233), we get a palindrome (58377385).

The spelling of 33243152 in words is "thirty-three million, two hundred forty-three thousand, one hundred fifty-two".