147071 has 4 divisors (see below), whose sum is σ = 149544. Its totient is φ = 144600.

The previous prime is 147047. The next prime is 147073. The reversal of 147071 is 170741.

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

It is a cyclic number.

It is not a de Polignac number, because 147071 - 2¹⁴ = 130687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (37386).

2¹⁴⁷⁰⁷¹ is an apocalyptic number.

147071 is a deficient number, since it is larger than the sum of its proper divisors (2473).

147071 is an equidigital number, since it uses as much as digits as its factorization.

147071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 147071 is about 383.4983702703. The cubic root of 147071 is about 52.7848163794.

The spelling of 147071 in words is "one hundred forty-seven thousand, seventy-one", and thus it is an iban number.