143393 has 4 divisors (see below), whose sum is σ = 150960. Its totient is φ = 135828.

The previous prime is 143387. The next prime is 143401. The reversal of 143393 is 393341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143393 - 2⁶ = 143329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (37740).

2¹⁴³³⁹³ is an apocalyptic number.

It is an amenable number.

143393 is a deficient number, since it is larger than the sum of its proper divisors (7567).

143393 is an equidigital number, since it uses as much as digits as its factorization.

143393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566.

The product of its digits is 972, while the sum is 23.

The square root of 143393 is about 378.6726818771. The cubic root of 143393 is about 52.3410764729.

The spelling of 143393 in words is "one hundred forty-three thousand, three hundred ninety-three".