195450 has 24 divisors (see below), whose sum is σ = 485088. Its totient is φ = 52080.

The previous prime is 195443. The next prime is 195457. The reversal of 195450 is 54591.

It is an interprime number because it is at equal distance from previous prime (195443) and next prime (195457).

It is an Ulam number.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 195450.

It is not an unprimeable number, because it can be changed into a prime (195457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502 + ... + 801.

It is an arithmetic number, because the mean of its divisors is an integer number (20212).

2¹⁹⁵⁴⁵⁰ is an apocalyptic number.

195450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195450 is an abundant number, since it is smaller than the sum of its proper divisors (289638).

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

195450 is a wasteful number, since it uses less digits than its factorization.

195450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 195450 is about 442.0972743639. The cubic root of 195450 is about 58.0334725536.

The spelling of 195450 in words is "one hundred ninety-five thousand, four hundred fifty".