188057 has 4 divisors (see below), whose sum is σ = 190260. Its totient is φ = 185856.

The previous prime is 188029. The next prime is 188107. The reversal of 188057 is 750881.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750881 = 23 ⋅32647.

It can be written as a sum of positive squares in 2 ways, for example, as 10816 + 177241 = 104^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 188057 - 2¹⁴ = 171673 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 188057.

It is not an unprimeable number, because it can be changed into a prime (188017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (47565).

It is a Poulet number, since it divides 2¹⁸⁸⁰⁵⁶-1.

2¹⁸⁸⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

188057 is a deficient number, since it is larger than the sum of its proper divisors (2203).

188057 is an equidigital number, since it uses as much as digits as its factorization.

188057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 188057 is about 433.6553931407. The cubic root of 188057 is about 57.2923321723.

The spelling of 188057 in words is "one hundred eighty-eight thousand, fifty-seven".