33132143 has 8 divisors (see below), whose sum is σ = 38046720. Its totient is φ = 28534680.

The previous prime is 33132139. The next prime is 33132161. The reversal of 33132143 is 34123133.

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

It is a cyclic number.

It is not a de Polignac number, because 33132143 - 2² = 33132139 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 (33132163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79055 + ... + 79472.

It is an arithmetic number, because the mean of its divisors is an integer number (4755840).

Almost surely, 2^33132143 is an apocalyptic number.

33132143 is a deficient number, since it is larger than the sum of its proper divisors (4914577).

33132143 is a wasteful number, since it uses less digits than its factorization.

33132143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158557.

The product of its digits is 648, while the sum is 20.

The square root of 33132143 is about 5756.0527273471. The cubic root of 33132143 is about 321.1809973575.

Adding to 33132143 its reverse (34123133), we get a palindrome (67255276).

The spelling of 33132143 in words is "thirty-three million, one hundred thirty-two thousand, one hundred forty-three".