143422 has 4 divisors (see below), whose sum is σ = 215136. Its totient is φ = 71710.

The previous prime is 143419. The next prime is 143443. The reversal of 143422 is 224341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224341 = 13 ⋅17257.

It is a junction number, because it is equal to n+sod(n) for n = 143396 and 143405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35854 + ... + 35857.

It is an arithmetic number, because the mean of its divisors is an integer number (53784).

2¹⁴³⁴²² is an apocalyptic number.

143422 is a deficient number, since it is larger than the sum of its proper divisors (71714).

143422 is an equidigital number, since it uses as much as digits as its factorization.

143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71713.

The product of its digits is 192, while the sum is 16.

The square root of 143422 is about 378.7109715865. The cubic root of 143422 is about 52.3446047458.

Adding to 143422 its reverse (224341), we get a palindrome (367763).

It can be divided in two parts, 143 and 422, that added together give a palindrome (565).

The spelling of 143422 in words is "one hundred forty-three thousand, four hundred twenty-two", and thus it is an iban number.