33303142 has 8 divisors (see below), whose sum is σ = 50216832. Its totient is φ = 16564200.

The previous prime is 33303131. The next prime is 33303167. The reversal of 33303142 is 24130333.

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

It is a super-2 number, since 2×33303142² = 2218198534144328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43209 + ... + 43972.

It is an arithmetic number, because the mean of its divisors is an integer number (6277104).

Almost surely, 2^33303142 is an apocalyptic number.

33303142 is a deficient number, since it is larger than the sum of its proper divisors (16913690).

33303142 is a wasteful number, since it uses less digits than its factorization.

33303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87374.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33303142 is about 5770.8874534165. The cubic root of 33303142 is about 321.7326008123.

Adding to 33303142 its reverse (24130333), we get a palindrome (57433475).

The spelling of 33303142 in words is "thirty-three million, three hundred three thousand, one hundred forty-two".