188740148 has 24 divisors (see below), whose sum is σ = 348532800. Its totient is φ = 89183808.

The previous prime is 188740147. The next prime is 188740151. The reversal of 188740148 is 841047881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188740147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30536 + ... + 36192.

It is an arithmetic number, because the mean of its divisors is an integer number (14522200).

Almost surely, 2^188740148 is an apocalyptic number.

It is an amenable number.

188740148 is a deficient number, since it is larger than the sum of its proper divisors (159792652).

188740148 is a wasteful number, since it uses less digits than its factorization.

188740148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 41.

The square root of 188740148 is about 13738.2731083641. The cubic root of 188740148 is about 573.6162294478.

The spelling of 188740148 in words is "one hundred eighty-eight million, seven hundred forty thousand, one hundred forty-eight".