143373 has 4 divisors (see below), whose sum is σ = 191168. Its totient is φ = 95580.

The previous prime is 143357. The next prime is 143387. The reversal of 143373 is 373341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 373341 = 3 ⋅124447.

It is not a de Polignac number, because 143373 - 2⁴ = 143357 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23893 + ... + 23898.

It is an arithmetic number, because the mean of its divisors is an integer number (47792).

2¹⁴³³⁷³ is an apocalyptic number.

It is an amenable number.

143373 is a deficient number, since it is larger than the sum of its proper divisors (47795).

143373 is an equidigital number, since it uses as much as digits as its factorization.

143373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47794.

The product of its digits is 756, while the sum is 21.

The square root of 143373 is about 378.6462729250. The cubic root of 143373 is about 52.3386429041.

The spelling of 143373 in words is "one hundred forty-three thousand, three hundred seventy-three", and thus it is an iban number.