188552149 has 4 divisors (see below), whose sum is σ = 188758240. Its totient is φ = 188346060.

The previous prime is 188552129. The next prime is 188552167. The reversal of 188552149 is 941255881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941255881 = 17 ⋅55367993.

It is a cyclic number.

It is not a de Polignac number, because 188552149 - 2⁹ = 188551637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188552129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101667 + ... + 103504.

It is an arithmetic number, because the mean of its divisors is an integer number (47189560).

Almost surely, 2^188552149 is an apocalyptic number.

It is an amenable number.

188552149 is a deficient number, since it is larger than the sum of its proper divisors (206091).

188552149 is an equidigital number, since it uses as much as digits as its factorization.

188552149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206090.

The product of its digits is 115200, while the sum is 43.

The square root of 188552149 is about 13731.4292409785. The cubic root of 188552149 is about 573.4257115960.

The spelling of 188552149 in words is "one hundred eighty-eight million, five hundred fifty-two thousand, one hundred forty-nine".