143000 has 64 divisors (see below), whose sum is σ = 393120. Its totient is φ = 48000.

The previous prime is 142993. The next prime is 143053. The reversal of 143000 is 341.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

143000 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 in 15 ways as a sum of consecutive naturals, for example, 10994 + ... + 11006.

2¹⁴³⁰⁰⁰ is an apocalyptic number.

143000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196560).

143000 is an abundant number, since it is smaller than the sum of its proper divisors (250120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143000 is a wasteful number, since it uses less digits than its factorization.

143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 143000 is about 378.1534080238. The cubic root of 143000 is about 52.2932153176.

Adding to 143000 its reverse (341), we get a palindrome (143341).

The spelling of 143000 in words is "one hundred forty-three thousand", and thus it is an iban number.