33107142 has 16 divisors (see below), whose sum is σ = 67337280. Its totient is φ = 10848552.

The previous prime is 33107111. The next prime is 33107161. The reversal of 33107142 is 24170133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46408 + ... + 47115.

It is an arithmetic number, because the mean of its divisors is an integer number (4208580).

Almost surely, 2^33107142 is an apocalyptic number.

33107142 is an abundant number, since it is smaller than the sum of its proper divisors (34230138).

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

33107142 is a wasteful number, since it uses less digits than its factorization.

33107142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93587.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 33107142 is about 5753.8806035579. The cubic root of 33107142 is about 321.1001909666.

Adding to 33107142 its reverse (24170133), we get a palindrome (57277275).

The spelling of 33107142 in words is "thirty-three million, one hundred seven thousand, one hundred forty-two".