149988208 has 20 divisors (see below), whose sum is σ = 291214000. Its totient is φ = 74836224.

The previous prime is 149988193. The next prime is 149988247. The reversal of 149988208 is 802889941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (14560700).

Almost surely, 2^149988208 is an apocalyptic number.

It is an amenable number.

149988208 is a deficient number, since it is larger than the sum of its proper divisors (141225792).

149988208 is a wasteful number, since it uses less digits than its factorization.

149988208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19744 (or 19738 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 149988208 is about 12246.9672980702. The cubic root of 149988208 is about 531.3153610377.

The spelling of 149988208 in words is "one hundred forty-nine million, nine hundred eighty-eight thousand, two hundred eight".