202345 has 16 divisors (see below), whose sum is σ = 286272. Its totient is φ = 135360.

The previous prime is 202343. The next prime is 202357. The reversal of 202345 is 543202.

202345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202345 - 2¹ = 202343 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (17892).

2²⁰²³⁴⁵ is an apocalyptic number.

It is an amenable number.

202345 is a deficient number, since it is larger than the sum of its proper divisors (83927).

202345 is a wasteful number, since it uses less digits than its factorization.

202345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 202345 is about 449.8277448091. The cubic root of 202345 is about 58.7080279664.

Adding to 202345 its reverse (543202), we get a palindrome (745547).

The spelling of 202345 in words is "two hundred two thousand, three hundred forty-five".