33142426 has 8 divisors (see below), whose sum is σ = 50771520. Its totient is φ = 16218588.

The previous prime is 33142423. The next prime is 33142477. The reversal of 33142426 is 62424133.

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

It is a self number, because there is not a number n which added to its sum of digits gives 33142426.

It is not an unprimeable number, because it can be changed into a prime (33142423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176196 + ... + 176383.

It is an arithmetic number, because the mean of its divisors is an integer number (6346440).

Almost surely, 2^33142426 is an apocalyptic number.

33142426 is a deficient number, since it is larger than the sum of its proper divisors (17629094).

33142426 is a wasteful number, since it uses less digits than its factorization.

33142426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352628.

The product of its digits is 3456, while the sum is 25.

The square root of 33142426 is about 5756.9458917033. The cubic root of 33142426 is about 321.2142215147.

Adding to 33142426 its reverse (62424133), we get a palindrome (95566559).

The spelling of 33142426 in words is "thirty-three million, one hundred forty-two thousand, four hundred twenty-six".