149886609 has 16 divisors (see below), whose sum is σ = 206115840. Its totient is φ = 96839120.

The previous prime is 149886599. The next prime is 149886617. The reversal of 149886609 is 906688941.

It is a happy number.

149886609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 149886609 - 2⁷ = 149886481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149886679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604 + ... + 18530.

It is an arithmetic number, because the mean of its divisors is an integer number (12882240).

Almost surely, 2^149886609 is an apocalyptic number.

It is an amenable number.

149886609 is a deficient number, since it is larger than the sum of its proper divisors (56229231).

149886609 is a wasteful number, since it uses less digits than its factorization.

149886609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 149886609 is about 12242.8186705513. The cubic root of 149886609 is about 531.1953664878.

The spelling of 149886609 in words is "one hundred forty-nine million, eight hundred eighty-six thousand, six hundred nine".