143143020 has 36 divisors (see below), whose sum is σ = 434201040. Its totient is φ = 38171424.

The previous prime is 143143019. The next prime is 143143057. The reversal of 143143020 is 20341341.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 143142984 and 143143002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397440 + ... + 397799.

It is an arithmetic number, because the mean of its divisors is an integer number (12061140).

Almost surely, 2^143143020 is an apocalyptic number.

143143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143143020 is an abundant number, since it is smaller than the sum of its proper divisors (291058020).

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

143143020 is a wasteful number, since it uses less digits than its factorization.

143143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795254 (or 795249 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143143020 is about 11964.2392152615. The cubic root of 143143020 is about 523.1064301849.

Adding to 143143020 its reverse (20341341), we get a palindrome (163484361).

The spelling of 143143020 in words is "one hundred forty-three million, one hundred forty-three thousand, twenty".