33142090 has 16 divisors (see below), whose sum is σ = 60497280. Its totient is φ = 13069840.

The previous prime is 33141989. The next prime is 33142091. The reversal of 33142090 is 9024133.

It is not an unprimeable number, because it can be changed into a prime (33142091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22630 + ... + 24049.

It is an arithmetic number, because the mean of its divisors is an integer number (3781080).

Almost surely, 2^33142090 is an apocalyptic number.

33142090 is a deficient number, since it is larger than the sum of its proper divisors (27355190).

33142090 is a wasteful number, since it uses less digits than its factorization.

33142090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46757.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 33142090 is about 5756.9167094896. The cubic root of 33142090 is about 321.2131360143.

The spelling of 33142090 in words is "thirty-three million, one hundred forty-two thousand, ninety".