143006 has 4 divisors (see below), whose sum is σ = 214512. Its totient is φ = 71502.

The previous prime is 142993. The next prime is 143053. The reversal of 143006 is 600341.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

143006 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, 35750 + ... + 35753.

It is an arithmetic number, because the mean of its divisors is an integer number (53628).

2¹⁴³⁰⁰⁶ is an apocalyptic number.

143006 is a deficient number, since it is larger than the sum of its proper divisors (71506).

143006 is an equidigital number, since it uses as much as digits as its factorization.

143006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71505.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 143006 is about 378.1613412288. The cubic root of 143006 is about 52.2939466810.

Adding to 143006 its reverse (600341), we get a palindrome (743347).

The spelling of 143006 in words is "one hundred forty-three thousand, six".