148091871 has 64 divisors (see below), whose sum is σ = 231137280. Its totient is φ = 83825280.

The previous prime is 148091863. The next prime is 148091897. The reversal of 148091871 is 178190841.

It is not a de Polignac number, because 148091871 - 2³ = 148091863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148091831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2085766 + ... + 2085836.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^148091871 is an apocalyptic number.

148091871 is a deficient number, since it is larger than the sum of its proper divisors (83045409).

148091871 is a wasteful number, since it uses less digits than its factorization.

148091871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 148091871 is about 12169.3003496503. The cubic root of 148091871 is about 529.0666747006.

The spelling of 148091871 in words is "one hundred forty-eight million, ninety-one thousand, eight hundred seventy-one".