33000042143 has 8 divisors (see below), whose sum is σ = 34436996448. Its totient is φ = 31563268704.

The previous prime is 33000042139. The next prime is 33000042161. The reversal of 33000042143 is 34124000033.

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 33000042143 - 2² = 33000042139 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 (33000042193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437321 + ... + 507197.

It is an arithmetic number, because the mean of its divisors is an integer number (4304624556).

Almost surely, 2^33000042143 is an apocalyptic number.

33000042143 is a deficient number, since it is larger than the sum of its proper divisors (1436954305).

33000042143 is a wasteful number, since it uses less digits than its factorization.

33000042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90433.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33000042143 its reverse (34124000033), we get a palindrome (67124042176).

The spelling of 33000042143 in words is "thirty-three billion, forty-two thousand, one hundred forty-three".