188243085 has 8 divisors (see below), whose sum is σ = 301188960. Its totient is φ = 100396304.

The previous prime is 188243071. The next prime is 188243123. The reversal of 188243085 is 580342881.

188243085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 188243085 - 2⁵ = 188243053 is a prime.

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, 6274755 + ... + 6274784.

It is an arithmetic number, because the mean of its divisors is an integer number (37648620).

Almost surely, 2^188243085 is an apocalyptic number.

188243085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

188243085 is a deficient number, since it is larger than the sum of its proper divisors (112945875).

188243085 is a wasteful number, since it uses less digits than its factorization.

188243085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549547.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 188243085 is about 13720.1707350893. The cubic root of 188243085 is about 573.1122312744.

The spelling of 188243085 in words is "one hundred eighty-eight million, two hundred forty-three thousand, eighty-five".