195415 has 24 divisors (see below), whose sum is σ = 287280. Its totient is φ = 126720.

The previous prime is 195413. The next prime is 195427. The reversal of 195415 is 514591.

It is not a de Polignac number, because 195415 - 2¹ = 195413 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 195415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195413) 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 23 ways as a sum of consecutive naturals, for example, 10276 + ... + 10294.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2¹⁹⁵⁴¹⁵ is an apocalyptic number.

195415 is a deficient number, since it is larger than the sum of its proper divisors (91865).

195415 is a wasteful number, since it uses less digits than its factorization.

195415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 52 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 195415 is about 442.0576885430. The cubic root of 195415 is about 58.0300082528.

The spelling of 195415 in words is "one hundred ninety-five thousand, four hundred fifteen".