545198 has 8 divisors (see below), whose sum is σ = 826200. Its totient is φ = 269800.

The previous prime is 545189. The next prime is 545203. The reversal of 545198 is 891545.

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

It is a congruent number.

It is an unprimeable number.

545198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (103275).

2⁵⁴⁵¹⁹⁸ is an apocalyptic number.

545198 is a deficient number, since it is larger than the sum of its proper divisors (281002).

545198 is a wasteful number, since it uses less digits than its factorization.

545198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its digits is 7200, while the sum is 32.

The square root of 545198 is about 738.3752433553. The cubic root of 545198 is about 81.6929824027.

The spelling of 545198 in words is "five hundred forty-five thousand, one hundred ninety-eight".