33142332 has 24 divisors (see below), whose sum is σ = 78978816. Its totient is φ = 10812208.

The previous prime is 33142297. The next prime is 33142349. The reversal of 33142332 is 23324133.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 33142299 and 33142308.

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, 28818 + ... + 29945.

It is an arithmetic number, because the mean of its divisors is an integer number (3290784).

Almost surely, 2^33142332 is an apocalyptic number.

It is an amenable number.

33142332 is an abundant number, since it is smaller than the sum of its proper divisors (45836484).

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

33142332 is a wasteful number, since it uses less digits than its factorization.

33142332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58817 (or 58815 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 33142332 is about 5756.9377276465. The cubic root of 33142332 is about 321.2139178338.

Adding to 33142332 its reverse (23324133), we get a palindrome (56466465).

The spelling of 33142332 in words is "thirty-three million, one hundred forty-two thousand, three hundred thirty-two".