198245 has 8 divisors (see below), whose sum is σ = 245760. Its totient is φ = 153360.

The previous prime is 198241. The next prime is 198251. The reversal of 198245 is 542891.

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

It is not a de Polignac number, because 198245 - 2² = 198241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198241) 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, 485 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (30720).

2¹⁹⁸²⁴⁵ is an apocalyptic number.

It is an amenable number.

198245 is a deficient number, since it is larger than the sum of its proper divisors (47515).

198245 is a wasteful number, since it uses less digits than its factorization.

198245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its digits is 2880, while the sum is 29.

The square root of 198245 is about 445.2471223938. The cubic root of 198245 is about 58.3087969371.

The spelling of 198245 in words is "one hundred ninety-eight thousand, two hundred forty-five".