143718 has 16 divisors (see below), whose sum is σ = 304560. Its totient is φ = 45056.

The previous prime is 143711. The next prime is 143719. The reversal of 143718 is 817341.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143711) by changing a digit.

143718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (19035).

2¹⁴³⁷¹⁸ is an apocalyptic number.

143718 is an abundant number, since it is smaller than the sum of its proper divisors (160842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143718 is a wasteful number, since it uses less digits than its factorization.

143718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its digits is 672, while the sum is 24.

The square root of 143718 is about 379.1015695035. The cubic root of 143718 is about 52.3805902900.

It can be divided in two parts, 143 and 718, that added together give a triangular number (861 = T₄₁).

The spelling of 143718 in words is "one hundred forty-three thousand, seven hundred eighteen".