148271247 has 24 divisors (see below), whose sum is σ = 220924704. Its totient is φ = 95753664.

The previous prime is 148271239. The next prime is 148271251. The reversal of 148271247 is 742172841.

148271247 is a `hidden beast` number, since 148 + 271 + 247 = 666.

148271247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148271247 - 2³ = 148271239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148271257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86733 + ... + 88425.

It is an arithmetic number, because the mean of its divisors is an integer number (9205196).

Almost surely, 2^148271247 is an apocalyptic number.

148271247 is a deficient number, since it is larger than the sum of its proper divisors (72653457).

148271247 is a wasteful number, since it uses less digits than its factorization.

148271247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1996 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 148271247 is about 12176.6681403412. The cubic root of 148271247 is about 529.2801988515.

The spelling of 148271247 in words is "one hundred forty-eight million, two hundred seventy-one thousand, two hundred forty-seven".