148271005 has 4 divisors (see below), whose sum is σ = 177925212. Its totient is φ = 118616800.

The previous prime is 148270987. The next prime is 148271033. The reversal of 148271005 is 500172841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27688644 + 120582361 = 5262^2 + 10981^2 .

It is not a de Polignac number, because 148271005 - 2⁵ = 148270973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14827096 + ... + 14827105.

It is an arithmetic number, because the mean of its divisors is an integer number (44481303).

Almost surely, 2^148271005 is an apocalyptic number.

It is an amenable number.

148271005 is a deficient number, since it is larger than the sum of its proper divisors (29654207).

148271005 is an equidigital number, since it uses as much as digits as its factorization.

148271005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29654206.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 148271005 is about 12176.6582033003. The cubic root of 148271005 is about 529.2799108975.

The spelling of 148271005 in words is "one hundred forty-eight million, two hundred seventy-one thousand, five".