143493 has 8 divisors (see below), whose sum is σ = 218688. Its totient is φ = 81984.
The previous prime is 143489. The next prime is 143501. The reversal of 143493 is 394341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 143493 - 22 = 143489 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396 + ... + 3437.
It is an arithmetic number, because the mean of its divisors is an integer number (27336).
2143493 is an apocalyptic number.
It is an amenable number.
143493 is a deficient number, since it is larger than the sum of its proper divisors (75195).
143493 is an equidigital number, since it uses as much as digits as its factorization.
143493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6843.
The product of its digits is 1296, while the sum is 24.
The square root of 143493 is about 378.8046990205. The cubic root of 143493 is about 52.3532409240.
It can be divided in two parts, 143 and 493, that added together give a palindrome (636).
The spelling of 143493 in words is "one hundred forty-three thousand, four hundred ninety-three".
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