156198 has 16 divisors (see below), whose sum is σ = 357120. Its totient is φ = 44616.

The previous prime is 156157. The next prime is 156217. The reversal of 156198 is 891651.

It is a happy number.

156198 is nontrivially palindromic in base 4.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

156198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1818 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2¹⁵⁶¹⁹⁸ is an apocalyptic number.

156198 is an abundant number, since it is smaller than the sum of its proper divisors (200922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156198 is a wasteful number, since it uses less digits than its factorization.

156198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 2160, while the sum is 30.

The square root of 156198 is about 395.2189266723. The cubic root of 156198 is about 53.8548916223.

The spelling of 156198 in words is "one hundred fifty-six thousand, one hundred ninety-eight".