33142241 has 16 divisors (see below), whose sum is σ = 38130048. Its totient is φ = 28512000.

The previous prime is 33142211. The next prime is 33142267. The reversal of 33142241 is 14224133.

It is not a de Polignac number, because 33142241 - 2¹⁴ = 33125857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33142211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24905 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (2383128).

Almost surely, 2^33142241 is an apocalyptic number.

It is an amenable number.

33142241 is a deficient number, since it is larger than the sum of its proper divisors (4987807).

33142241 is a wasteful number, since it uses less digits than its factorization.

33142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its digits is 576, while the sum is 20.

The square root of 33142241 is about 5756.9298241337. The cubic root of 33142241 is about 321.2136238442.

Adding to 33142241 its reverse (14224133), we get a palindrome (47366374).

It can be divided in two parts, 3314 and 2241, that added together give a palindrome (5555).

The spelling of 33142241 in words is "thirty-three million, one hundred forty-two thousand, two hundred forty-one".