143342 has 4 divisors (see below), whose sum is σ = 215016. Its totient is φ = 71670.

The previous prime is 143333. The next prime is 143357. The reversal of 143342 is 243341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243341 = 7 ⋅34763.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 143342.

It is a congruent number.

It is an unprimeable number.

143342 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 as a sum of consecutive naturals, namely, 35834 + ... + 35837.

It is an arithmetic number, because the mean of its divisors is an integer number (53754).

2¹⁴³³⁴² is an apocalyptic number.

143342 is a deficient number, since it is larger than the sum of its proper divisors (71674).

143342 is an equidigital number, since it uses as much as digits as its factorization.

143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71673.

The product of its digits is 288, while the sum is 17.

The square root of 143342 is about 378.6053354088. The cubic root of 143342 is about 52.3348704251.

Adding to 143342 its reverse (243341), we get a palindrome (386683).

Subtracting 143342 from its reverse (243341), we obtain a palindrome (99999).

The spelling of 143342 in words is "one hundred forty-three thousand, three hundred forty-two", and thus it is an iban number.