665142333 has 8 divisors (see below), whose sum is σ = 887673696. Its totient is φ = 443019600.

The previous prime is 665142311. The next prime is 665142337. The reversal of 665142333 is 333241566.

665142333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 665142333 - 2⁸ = 665142077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 665142294 and 665142303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665142337) 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, 98338 + ... + 104883.

It is an arithmetic number, because the mean of its divisors is an integer number (110959212).

Almost surely, 2^665142333 is an apocalyptic number.

It is an amenable number.

665142333 is a deficient number, since it is larger than the sum of its proper divisors (222531363).

665142333 is a wasteful number, since it uses less digits than its factorization.

665142333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204315.

The product of its digits is 38880, while the sum is 33.

The square root of 665142333 is about 25790.3534873022. The cubic root of 665142333 is about 872.9141425728.

Adding to 665142333 its reverse (333241566), we get a palindrome (998383899).

It can be divided in two parts, 6651 and 42333, that added together give a palindrome (48984).

The spelling of 665142333 in words is "six hundred sixty-five million, one hundred forty-two thousand, three hundred thirty-three".