143047 has 4 divisors (see below), whose sum is σ = 145800. Its totient is φ = 140296.

The previous prime is 142993. The next prime is 143053. The reversal of 143047 is 740341.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143047 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 (143947) 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, 1297 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2¹⁴³⁰⁴⁷ is an apocalyptic number.

143047 is a deficient number, since it is larger than the sum of its proper divisors (2753).

143047 is an equidigital number, since it uses as much as digits as its factorization.

143047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 143047 is about 378.2155470099. The cubic root of 143047 is about 52.2989437835.

Adding to 143047 its reverse (740341), we get a palindrome (883388).

It can be divided in two parts, 14304 and 7, that multiplied together give a triangular number (100128 = T₄₄₇).

The spelling of 143047 in words is "one hundred forty-three thousand, forty-seven", and thus it is an iban number.