143417 has 4 divisors (see below), whose sum is σ = 144420. Its totient is φ = 142416.

The previous prime is 143413. The next prime is 143419. The reversal of 143417 is 714341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 109561 + 33856 = 331^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 143417 - 2² = 143413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143417.

It is not an unprimeable number, because it can be changed into a prime (143413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (36105).

2¹⁴³⁴¹⁷ is an apocalyptic number.

It is an amenable number.

143417 is a deficient number, since it is larger than the sum of its proper divisors (1003).

143417 is an equidigital number, since it uses as much as digits as its factorization.

143417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

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

The square root of 143417 is about 378.7043701887. The cubic root of 143417 is about 52.3439964568.

Adding to 143417 its reverse (714341), we get a palindrome (857758).

The spelling of 143417 in words is "one hundred forty-three thousand, four hundred seventeen", and thus it is an iban number.