149109608 has 8 divisors (see below), whose sum is σ = 279580530. Its totient is φ = 74554800.

The previous prime is 149109607. The next prime is 149109637. The reversal of 149109608 is 806901941.

It is a happy number.

149109608 is digitally balanced in base 2, 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 only one way, i.e., 116596804 + 32512804 = 10798^2 + 5702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (149109607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9319343 + ... + 9319358.

Almost surely, 2^149109608 is an apocalyptic number.

It is an amenable number.

149109608 is a deficient number, since it is larger than the sum of its proper divisors (130470922).

149109608 is a wasteful number, since it uses less digits than its factorization.

149109608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18638707 (or 18638703 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 149109608 is about 12211.0445089681. The cubic root of 149109608 is about 530.2758834241.

The spelling of 149109608 in words is "one hundred forty-nine million, one hundred nine thousand, six hundred eight".