188149202 has 8 divisors (see below), whose sum is σ = 282418812. Its totient is φ = 94009600.

The previous prime is 188149189. The next prime is 188149207. The reversal of 188149202 is 202941881.

188149202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187936681 + 212521 = 13709^2 + 461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (188149207) 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 3 ways as a sum of consecutive naturals, for example, 28799 + ... + 34722.

Almost surely, 2^188149202 is an apocalyptic number.

188149202 is a deficient number, since it is larger than the sum of its proper divisors (94269610).

188149202 is a wasteful number, since it uses less digits than its factorization.

188149202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65004.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 188149202 is about 13716.7489588459. The cubic root of 188149202 is about 573.0169388091.

The spelling of 188149202 in words is "one hundred eighty-eight million, one hundred forty-nine thousand, two hundred two".