148681271 has 8 divisors (see below), whose sum is σ = 151690320. Its totient is φ = 145679872.

The previous prime is 148681237. The next prime is 148681277. The reversal of 148681271 is 172186841.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148681271 is a prime.

It is a super-2 number, since 2×148681271² = 44212240692350882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148681277) 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, 52631 + ... + 55383.

It is an arithmetic number, because the mean of its divisors is an integer number (18961290).

Almost surely, 2^148681271 is an apocalyptic number.

148681271 is a deficient number, since it is larger than the sum of its proper divisors (3009049).

148681271 is a wasteful number, since it uses less digits than its factorization.

148681271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

The product of its digits is 21504, while the sum is 38.

The square root of 148681271 is about 12193.4929778140. The cubic root of 148681271 is about 529.7676339885.

The spelling of 148681271 in words is "one hundred forty-eight million, six hundred eighty-one thousand, two hundred seventy-one".