149171008 has 112 divisors (see below), whose sum is σ = 365174784. Its totient is φ = 59051520.

The previous prime is 149170963. The next prime is 149171017. The reversal of 149171008 is 800171941.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319191 + ... + 319657.

Almost surely, 2^149171008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149171008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182587392).

149171008 is an abundant number, since it is smaller than the sum of its proper divisors (216003776).

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

149171008 is a wasteful number, since it uses less digits than its factorization.

149171008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 149171008 is about 12213.5583676503. The cubic root of 149171008 is about 530.3486586836.

The spelling of 149171008 in words is "one hundred forty-nine million, one hundred seventy-one thousand, eight".