188542814 has 16 divisors (see below), whose sum is σ = 298003200. Its totient is φ = 89218584.

The previous prime is 188542811. The next prime is 188542841. The reversal of 188542814 is 418245881.

188542814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×188542814² = 71096785422077192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188542811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48557 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (18625200).

Almost surely, 2^188542814 is an apocalyptic number.

188542814 is a deficient number, since it is larger than the sum of its proper divisors (109460386).

188542814 is a wasteful number, since it uses less digits than its factorization.

188542814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087.

The product of its digits is 81920, while the sum is 41.

The square root of 188542814 is about 13731.0893231382. The cubic root of 188542814 is about 573.4162482241.

The spelling of 188542814 in words is "one hundred eighty-eight million, five hundred forty-two thousand, eight hundred fourteen".