195030 has 48 divisors (see below), whose sum is σ = 555984. Its totient is φ = 47040.

The previous prime is 195029. The next prime is 195043. The reversal of 195030 is 30591.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 194994 and 195012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (11583).

2¹⁹⁵⁰³⁰ is an apocalyptic number.

195030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 195030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277992).

195030 is an abundant number, since it is smaller than the sum of its proper divisors (360954).

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

195030 is a wasteful number, since it uses less digits than its factorization.

195030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 195030 is about 441.6220103210. The cubic root of 195030 is about 57.9918736137.

The spelling of 195030 in words is "one hundred ninety-five thousand, thirty".