149408171 has 8 divisors (see below), whose sum is σ = 163406064. Its totient is φ = 135479520.

The previous prime is 149408167. The next prime is 149408173. The reversal of 149408171 is 171804941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149408171 - 2² = 149408167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149408173) 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, 12740 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (20425758).

Almost surely, 2^149408171 is an apocalyptic number.

149408171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149408171 is a deficient number, since it is larger than the sum of its proper divisors (13997893).

149408171 is a wasteful number, since it uses less digits than its factorization.

149408171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34621.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 149408171 is about 12223.2635167536. The cubic root of 149408171 is about 530.6295722512.

The spelling of 149408171 in words is "one hundred forty-nine million, four hundred eight thousand, one hundred seventy-one".