143241320 has 64 divisors (see below), whose sum is σ = 342850320. Its totient is φ = 53673984.

The previous prime is 143241311. The next prime is 143241341. The reversal of 143241320 is 23142341.

143241320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 23951236 + 119290084 = 4894^2 + 10922^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 143241292 and 143241301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212504 + ... + 213176.

Almost surely, 2^143241320 is an apocalyptic number.

143241320 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 143241320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171425160).

143241320 is an abundant number, since it is smaller than the sum of its proper divisors (199609000).

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

143241320 is a wasteful number, since it uses less digits than its factorization.

143241320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143241320 is about 11968.3465858906. The cubic root of 143241320 is about 523.2261463396.

Adding to 143241320 its reverse (23142341), we get a palindrome (166383661).

The spelling of 143241320 in words is "one hundred forty-three million, two hundred forty-one thousand, three hundred twenty".