149271205 has 8 divisors (see below), whose sum is σ = 180865152. Its totient is φ = 118257168.

The previous prime is 149271193. The next prime is 149271289. The reversal of 149271205 is 502172941.

149271205 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 a cyclic number.

It is not a de Polignac number, because 149271205 - 2²³ = 140882597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144409 + ... + 145438.

It is an arithmetic number, because the mean of its divisors is an integer number (22608144).

Almost surely, 2^149271205 is an apocalyptic number.

It is an amenable number.

149271205 is a deficient number, since it is larger than the sum of its proper divisors (31593947).

149271205 is a wasteful number, since it uses less digits than its factorization.

149271205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289955.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 149271205 is about 12217.6595549229. The cubic root of 149271205 is about 530.4673757898.

The spelling of 149271205 in words is "one hundred forty-nine million, two hundred seventy-one thousand, two hundred five".