33143049 has 27 divisors (see below), whose sum is σ = 51030759. Its totient is φ = 20725200.

The previous prime is 33143041. The next prime is 33143053. The reversal of 33143049 is 94034133.

The square root of 33143049 is 5757.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31843449 + 1299600 = 5643^2 + 1140^2 .

It is not a de Polignac number, because 33143049 - 2³ = 33143041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33143041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 328099 + ... + 328199.

Almost surely, 2^33143049 is an apocalyptic number.

33143049 is the 5757-th square number.

33143049 is the 2879-th centered octagonal number.

It is an amenable number.

33143049 is a deficient number, since it is larger than the sum of its proper divisors (17887710).

33143049 is a wasteful number, since it uses less digits than its factorization.

33143049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The cubic root of 33143049 is about 321.2162341938.

The spelling of 33143049 in words is "thirty-three million, one hundred forty-three thousand, forty-nine".