216142333 has 8 divisors (see below), whose sum is σ = 236052000. Its totient is φ = 196276080.

The previous prime is 216142319. The next prime is 216142351. The reversal of 216142333 is 333241612.

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

It is a de Polignac number, because none of the positive numbers 2^k-216142333 is a prime.

It is a super-2 number, since 2×216142333² = 93435016229365778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216142298 and 216142307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216142733) 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, 43 + ... + 20791.

It is an arithmetic number, because the mean of its divisors is an integer number (29506500).

Almost surely, 2^216142333 is an apocalyptic number.

It is an amenable number.

216142333 is a deficient number, since it is larger than the sum of its proper divisors (19909667).

216142333 is a wasteful number, since it uses less digits than its factorization.

216142333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21707.

The product of its digits is 2592, while the sum is 25.

The square root of 216142333 is about 14701.7799262538. The cubic root of 216142333 is about 600.1317608778.

Adding to 216142333 its reverse (333241612), we get a palindrome (549383945).

The spelling of 216142333 in words is "two hundred sixteen million, one hundred forty-two thousand, three hundred thirty-three".