332645 has 4 divisors (see below), whose sum is σ = 399180. Its totient is φ = 266112.

The previous prime is 332641. The next prime is 332687. The reversal of 332645 is 546233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201601 + 131044 = 449^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 332645 - 2² = 332641 is a prime.

It is a super-2 number, since 2×332645² = 221305392050, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 332645.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 332645.

It is not an unprimeable number, because it can be changed into a prime (332641) 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, 33260 + ... + 33269.

It is an arithmetic number, because the mean of its divisors is an integer number (99795).

2³³²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

332645 is a deficient number, since it is larger than the sum of its proper divisors (66535).

332645 is an equidigital number, since it uses as much as digits as its factorization.

332645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66534.

The product of its digits is 2160, while the sum is 23.

The square root of 332645 is about 576.7538469746. The cubic root of 332645 is about 69.2883681780.

Adding to 332645 its reverse (546233), we get a palindrome (878878).

The spelling of 332645 in words is "three hundred thirty-two thousand, six hundred forty-five".