33283142 has 4 divisors (see below), whose sum is σ = 49924716. Its totient is φ = 16641570.

The previous prime is 33283067. The next prime is 33283147. The reversal of 33283142 is 24138233.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33283142² = 2215535082784328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33283147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8320784 + ... + 8320787.

It is an arithmetic number, because the mean of its divisors is an integer number (12481179).

Almost surely, 2^33283142 is an apocalyptic number.

33283142 is a deficient number, since it is larger than the sum of its proper divisors (16641574).

33283142 is a wasteful number, since it uses less digits than its factorization.

33283142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16641573.

The product of its digits is 3456, while the sum is 26.

The square root of 33283142 is about 5769.1543574427. The cubic root of 33283142 is about 321.6681830612.

The spelling of 33283142 in words is "thirty-three million, two hundred eighty-three thousand, one hundred forty-two".