149640008 has 16 divisors (see below), whose sum is σ = 320657280. Its totient is φ = 64131408.

The previous prime is 149639981. The next prime is 149640013. The reversal of 149640008 is 800046941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336016 + ... + 1336127.

It is an arithmetic number, because the mean of its divisors is an integer number (20041080).

Almost surely, 2^149640008 is an apocalyptic number.

It is an amenable number.

149640008 is an abundant number, since it is smaller than the sum of its proper divisors (171017272).

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

149640008 is a wasteful number, since it uses less digits than its factorization.

149640008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672156 (or 2672152 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 149640008 is about 12232.7432736897. The cubic root of 149640008 is about 530.9038901198.

Adding to 149640008 its reverse (800046941), we get a palindrome (949686949).

The spelling of 149640008 in words is "one hundred forty-nine million, six hundred forty thousand, eight".