33345142 has 8 divisors (see below), whose sum is σ = 50178456. Its totient is φ = 16618992.

The previous prime is 33345083. The next prime is 33345161. The reversal of 33345142 is 24154333.

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

It is a super-2 number, since 2×33345142² = 2223796990000328, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 26008 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (6272307).

Almost surely, 2^33345142 is an apocalyptic number.

33345142 is a deficient number, since it is larger than the sum of its proper divisors (16833314).

33345142 is a wasteful number, since it uses less digits than its factorization.

33345142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53582.

The product of its digits is 4320, while the sum is 25.

The square root of 33345142 is about 5774.5252618722. The cubic root of 33345142 is about 321.8677941894.

Adding to 33345142 its reverse (24154333), we get a palindrome (57499475).

The spelling of 33345142 in words is "thirty-three million, three hundred forty-five thousand, one hundred forty-two".