202245 has 16 divisors (see below), whose sum is σ = 329280. Its totient is φ = 105984.

The previous prime is 202243. The next prime is 202277. The reversal of 202245 is 542202.

It is not a de Polignac number, because 202245 - 2¹ = 202243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2²⁰²²⁴⁵ is an apocalyptic number.

It is an amenable number.

202245 is a deficient number, since it is larger than the sum of its proper divisors (127035).

202245 is a wasteful number, since it uses less digits than its factorization.

202245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 202245 is about 449.7165774129. The cubic root of 202245 is about 58.6983550971.

Adding to 202245 its reverse (542202), we get a palindrome (744447).

The spelling of 202245 in words is "two hundred two thousand, two hundred forty-five".