143847 has 12 divisors (see below), whose sum is σ = 226824. Its totient is φ = 87120.

The previous prime is 143833. The next prime is 143873. The reversal of 143847 is 748341.

It is not a de Polignac number, because 143847 - 2⁴ = 143831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (18902).

2¹⁴³⁸⁴⁷ is an apocalyptic number.

143847 is a deficient number, since it is larger than the sum of its proper divisors (82977).

143847 is a wasteful number, since it uses less digits than its factorization.

143847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1467 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 143847 is about 379.2716704422. The cubic root of 143847 is about 52.3962577208.

It can be divided in two parts, 1438 and 47, that added together give a triangular number (1485 = T₅₄).

The spelling of 143847 in words is "one hundred forty-three thousand, eight hundred forty-seven".