33142430 has 8 divisors (see below), whose sum is σ = 59656392. Its totient is φ = 13256968.

The previous prime is 33142423. The next prime is 33142477. The reversal of 33142430 is 3424133.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657112 + ... + 1657131.

It is an arithmetic number, because the mean of its divisors is an integer number (7457049).

Almost surely, 2^33142430 is an apocalyptic number.

33142430 is a deficient number, since it is larger than the sum of its proper divisors (26513962).

33142430 is a wasteful number, since it uses less digits than its factorization.

33142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314250.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33142430 is about 5756.9462391098. The cubic root of 33142430 is about 321.2142344372.

Adding to 33142430 its reverse (3424133), we get a palindrome (36566563).

The spelling of 33142430 in words is "thirty-three million, one hundred forty-two thousand, four hundred thirty".