33142834 has 4 divisors (see below), whose sum is σ = 49714254. Its totient is φ = 16571416.

The previous prime is 33142831. The next prime is 33142841. The reversal of 33142834 is 43824133.

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

It can be written as a sum of positive squares in only one way, i.e., 26040609 + 7102225 = 5103^2 + 2665^2 .

It is not an unprimeable number, because it can be changed into a prime (33142831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8285707 + ... + 8285710.

Almost surely, 2^33142834 is an apocalyptic number.

33142834 is a deficient number, since it is larger than the sum of its proper divisors (16571420).

33142834 is a wasteful number, since it uses less digits than its factorization.

33142834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571419.

The product of its digits is 6912, while the sum is 28.

The square root of 33142834 is about 5756.9813270498. The cubic root of 33142834 is about 321.2155396123.

Adding to 33142834 its reverse (43824133), we get a palindrome (76966967).

The spelling of 33142834 in words is "thirty-three million, one hundred forty-two thousand, eight hundred thirty-four".