149209908 has 24 divisors (see below), whose sum is σ = 353062080. Its totient is φ = 49035840.

The previous prime is 149209903. The next prime is 149209909. The reversal of 149209908 is 809902941.

It is a self number, because there is not a number n which added to its sum of digits gives 149209908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149209903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86713 + ... + 88416.

It is an arithmetic number, because the mean of its divisors is an integer number (14710920).

Almost surely, 2^149209908 is an apocalyptic number.

It is an amenable number.

149209908 is an abundant number, since it is smaller than the sum of its proper divisors (203852172).

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

149209908 is a wasteful number, since it uses less digits than its factorization.

149209908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175207 (or 175205 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 149209908 is about 12215.1507563353. The cubic root of 149209908 is about 530.3947551515.

The spelling of 149209908 in words is "one hundred forty-nine million, two hundred nine thousand, nine hundred eight".