143147 has 4 divisors (see below), whose sum is σ = 146520. Its totient is φ = 139776.

The previous prime is 143141. The next prime is 143159. The reversal of 143147 is 741341.

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 143147 - 2¹⁰ = 142123 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143147.

It is not an unprimeable number, because it can be changed into a prime (143141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (36630).

2¹⁴³¹⁴⁷ is an apocalyptic number.

143147 is a deficient number, since it is larger than the sum of its proper divisors (3373).

143147 is an equidigital number, since it uses as much as digits as its factorization.

143147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372.

The product of its digits is 336, while the sum is 20.

The square root of 143147 is about 378.3477236617. The cubic root of 143147 is about 52.3111278353.

Adding to 143147 its reverse (741341), we get a palindrome (884488).

The spelling of 143147 in words is "one hundred forty-three thousand, one hundred forty-seven", and thus it is an iban number.