143713 has 4 divisors (see below), whose sum is σ = 144900. Its totient is φ = 142528.

The previous prime is 143711. The next prime is 143719. The reversal of 143713 is 317341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317341 = 271 ⋅1171.

It can be written as a sum of positive squares in 2 ways, for example, as 110224 + 33489 = 332^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 143713 - 2¹ = 143711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143711) 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, 388 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (36225).

2¹⁴³⁷¹³ is an apocalyptic number.

It is an amenable number.

143713 is a deficient number, since it is larger than the sum of its proper divisors (1187).

143713 is a wasteful number, since it uses less digits than its factorization.

143713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its digits is 252, while the sum is 19.

The square root of 143713 is about 379.0949749073. The cubic root of 143713 is about 52.3799828366.

It can be divided in two parts, 1437 and 13, that multiplied together give a palindrome (18681).

The spelling of 143713 in words is "one hundred forty-three thousand, seven hundred thirteen".