33144042 has 32 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 10609088.

The previous prime is 33144019. The next prime is 33144073. The reversal of 33144042 is 24044133.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41188 + ... + 41984.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^33144042 is an apocalyptic number.

33144042 is an abundant number, since it is smaller than the sum of its proper divisors (35803158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33144042 is a wasteful number, since it uses less digits than its factorization.

33144042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 33144042 is about 5757.0862421888. The cubic root of 33144042 is about 321.2194421518.

Adding to 33144042 its reverse (24044133), we get a palindrome (57188175).

Subtracting from 33144042 its reverse (24044133), we obtain a palindrome (9099909).

The spelling of 33144042 in words is "thirty-three million, one hundred forty-four thousand, forty-two".