33142263 has 24 divisors (see below), whose sum is σ = 55515264. Its totient is φ = 17215440.

The previous prime is 33142211. The next prime is 33142267. The reversal of 33142263 is 36224133.

It is not a de Polignac number, because 33142263 - 2⁶ = 33142199 is a prime.

It is a super-2 number, since 2×33142263² = 2196819193522338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33142267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3981 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (2313136).

Almost surely, 2^33142263 is an apocalyptic number.

33142263 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

33142263 is a deficient number, since it is larger than the sum of its proper divisors (22373001).

33142263 is a wasteful number, since it uses less digits than its factorization.

33142263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13075 (or 13064 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 33142263 is about 5756.9317348741. The cubic root of 33142263 is about 321.2136949187.

Adding to 33142263 its reverse (36224133), we get a palindrome (69366396).

The spelling of 33142263 in words is "thirty-three million, one hundred forty-two thousand, two hundred sixty-three".