149253171 has 8 divisors (see below), whose sum is σ = 199948224. Its totient is φ = 99030120.

The previous prime is 149253157. The next prime is 149253179. The reversal of 149253171 is 171352941.

149253171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 149253171 - 2⁹ = 149252659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149253179) 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, 117261 + ... + 118526.

It is an arithmetic number, because the mean of its divisors is an integer number (24993528).

Almost surely, 2^149253171 is an apocalyptic number.

149253171 is a deficient number, since it is larger than the sum of its proper divisors (50695053).

149253171 is a wasteful number, since it uses less digits than its factorization.

149253171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236001.

The product of its digits is 7560, while the sum is 33.

The square root of 149253171 is about 12216.9215025718. The cubic root of 149253171 is about 530.4460123618.

The spelling of 149253171 in words is "one hundred forty-nine million, two hundred fifty-three thousand, one hundred seventy-one".