33432142 has 8 divisors (see below), whose sum is σ = 50228136. Its totient is φ = 16689432.

The previous prime is 33432137. The next prime is 33432143. The reversal of 33432142 is 24123433.

It is a happy number.

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

It is a super-2 number, since 2×33432142² = 2235416237416328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33432143) 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, 11713 + ... + 14284.

It is an arithmetic number, because the mean of its divisors is an integer number (6278517).

Almost surely, 2^33432142 is an apocalyptic number.

33432142 is a deficient number, since it is larger than the sum of its proper divisors (16795994).

33432142 is a wasteful number, since it uses less digits than its factorization.

33432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26642.

The product of its digits is 1728, while the sum is 22.

The square root of 33432142 is about 5782.0534414687. The cubic root of 33432142 is about 322.1474769069.

Adding to 33432142 its reverse (24123433), we get a palindrome (57555575).

The spelling of 33432142 in words is "thirty-three million, four hundred thirty-two thousand, one hundred forty-two".