143104320 has 140 divisors (see below), whose sum is σ = 509139444. Its totient is φ = 38154240.

The previous prime is 143104307. The next prime is 143104337. The reversal of 143104320 is 23401341.

It can be written as a sum of positive squares in 2 ways, for example, as 45805824 + 97298496 = 6768^2 + 9864^2 .

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 = 143104293 and 143104302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23160 + ... + 28680.

Almost surely, 2^143104320 is an apocalyptic number.

143104320 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 143104320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254569722).

143104320 is an abundant number, since it is smaller than the sum of its proper divisors (366035124).

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

143104320 is an equidigital number, since it uses as much as digits as its factorization.

143104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550 (or 5531 counting only the distinct ones).

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

The square root of 143104320 is about 11962.6217862139. The cubic root of 143104320 is about 523.0592837633.

Adding to 143104320 its reverse (23401341), we get a palindrome (166505661).

The spelling of 143104320 in words is "one hundred forty-three million, one hundred four thousand, three hundred twenty".