149719188 has 24 divisors (see below), whose sum is σ = 349629280. Its totient is φ = 49865760.

The previous prime is 149719177. The next prime is 149719189. The reversal of 149719188 is 881917941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149719189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12783 + ... + 21513.

Almost surely, 2^149719188 is an apocalyptic number.

It is an amenable number.

149719188 is an abundant number, since it is smaller than the sum of its proper divisors (199910092).

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

149719188 is a wasteful number, since it uses less digits than its factorization.

149719188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167 (or 10165 counting only the distinct ones).

The product of its digits is 145152, while the sum is 48.

The square root of 149719188 is about 12235.9792415646. The cubic root of 149719188 is about 530.9975138289.

The spelling of 149719188 in words is "one hundred forty-nine million, seven hundred nineteen thousand, one hundred eighty-eight".