33001142 has 8 divisors (see below), whose sum is σ = 49526256. Its totient is φ = 16492392.

The previous prime is 33001141. The next prime is 33001147. The reversal of 33001142 is 24110033.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33001141) 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 3 ways as a sum of consecutive naturals, for example, 4943 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (6190782).

Almost surely, 2^33001142 is an apocalyptic number.

33001142 is a deficient number, since it is larger than the sum of its proper divisors (16525114).

33001142 is a wasteful number, since it uses less digits than its factorization.

33001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 33001142 is about 5744.6620440196. The cubic root of 33001142 is about 320.7571329611.

Adding to 33001142 its reverse (24110033), we get a palindrome (57111175).

The spelling of 33001142 in words is "thirty-three million, one thousand, one hundred forty-two".