33142250 has 32 divisors (see below), whose sum is σ = 63505728. Its totient is φ = 12944400.

The previous prime is 33142211. The next prime is 33142267. The reversal of 33142250 is 5224133.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 9209 + ... + 12291.

It is an arithmetic number, because the mean of its divisors is an integer number (1984554).

Almost surely, 2^33142250 is an apocalyptic number.

33142250 is a deficient number, since it is larger than the sum of its proper divisors (30363478).

33142250 is a wasteful number, since it uses less digits than its factorization.

33142250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 33142250 is about 5756.9306058003. The cubic root of 33142250 is about 321.2136529202.

Adding to 33142250 its reverse (5224133), we get a palindrome (38366383).

The spelling of 33142250 in words is "thirty-three million, one hundred forty-two thousand, two hundred fifty".