188255 has 8 divisors (see below), whose sum is σ = 235872. Its totient is φ = 143968.

The previous prime is 188249. The next prime is 188261. The reversal of 188255 is 552881.

It is an interprime number because it is at equal distance from previous prime (188249) and next prime (188261).

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

It is a cyclic number.

It is not a de Polignac number, because 188255 - 2¹⁶ = 122719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2¹⁸⁸²⁵⁵ is an apocalyptic number.

188255 is a deficient number, since it is larger than the sum of its proper divisors (47617).

188255 is a wasteful number, since it uses less digits than its factorization.

188255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

The product of its digits is 3200, while the sum is 29.

The square root of 188255 is about 433.8836249503. The cubic root of 188255 is about 57.3124322888.

The spelling of 188255 in words is "one hundred eighty-eight thousand, two hundred fifty-five".