143104513 has 4 divisors (see below), whose sum is σ = 143129520. Its totient is φ = 143079508.

The previous prime is 143104501. The next prime is 143104529. The reversal of 143104513 is 315401341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143104513 - 2⁹ = 143104001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143104813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798 + ... + 16936.

It is an arithmetic number, because the mean of its divisors is an integer number (35782380).

Almost surely, 2^143104513 is an apocalyptic number.

It is an amenable number.

143104513 is a deficient number, since it is larger than the sum of its proper divisors (25007).

143104513 is an equidigital number, since it uses as much as digits as its factorization.

143104513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 143104513 is about 11962.6298530047. The cubic root of 143104513 is about 523.0595189073.

Adding to 143104513 its reverse (315401341), we get a palindrome (458505854).

The spelling of 143104513 in words is "one hundred forty-three million, one hundred four thousand, five hundred thirteen".