188297148 has 24 divisors (see below), whose sum is σ = 473157328. Its totient is φ = 57937536.

The previous prime is 188297147. The next prime is 188297167. The reversal of 188297148 is 841792881.

It is a junction number, because it is equal to n+sod(n) for n = 188297097 and 188297106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188297147) 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, 603361 + ... + 603672.

Almost surely, 2^188297148 is an apocalyptic number.

It is an amenable number.

188297148 is an abundant number, since it is smaller than the sum of its proper divisors (284860180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188297148 is a wasteful number, since it uses less digits than its factorization.

188297148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207053 (or 1207051 counting only the distinct ones).

The product of its digits is 258048, while the sum is 48.

The square root of 188297148 is about 13722.1407950800. The cubic root of 188297148 is about 573.1670915470.

The spelling of 188297148 in words is "one hundred eighty-eight million, two hundred ninety-seven thousand, one hundred forty-eight".