188452243 has 4 divisors (see below), whose sum is σ = 215374000. Its totient is φ = 161530488.

The previous prime is 188452219. The next prime is 188452283. The reversal of 188452243 is 342254881.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-188452243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188452283) 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, 13460868 + ... + 13460881.

It is an arithmetic number, because the mean of its divisors is an integer number (53843500).

Almost surely, 2^188452243 is an apocalyptic number.

188452243 is a deficient number, since it is larger than the sum of its proper divisors (26921757).

188452243 is an equidigital number, since it uses as much as digits as its factorization.

188452243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26921756.

The product of its digits is 61440, while the sum is 37.

The square root of 188452243 is about 13727.7909002141. The cubic root of 188452243 is about 573.3244154989.

The spelling of 188452243 in words is "one hundred eighty-eight million, four hundred fifty-two thousand, two hundred forty-three".