144347843 has 4 divisors (see below), whose sum is σ = 145032168. Its totient is φ = 143663520.

The previous prime is 144347837. The next prime is 144347869. The reversal of 144347843 is 348743441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348743441 = 2137 ⋅163193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144347843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144347797 and 144347806.

It is not an unprimeable number, because it can be changed into a prime (144347803) 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, 341846 + ... + 342267.

It is an arithmetic number, because the mean of its divisors is an integer number (36258042).

Almost surely, 2^144347843 is an apocalyptic number.

144347843 is a deficient number, since it is larger than the sum of its proper divisors (684325).

144347843 is an equidigital number, since it uses as much as digits as its factorization.

144347843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684324.

The product of its digits is 129024, while the sum is 38.

The square root of 144347843 is about 12014.4847163746. The cubic root of 144347843 is about 524.5699795426.

The spelling of 144347843 in words is "one hundred forty-four million, three hundred forty-seven thousand, eight hundred forty-three".