143318929 has 12 divisors (see below), whose sum is σ = 157330956. Its totient is φ = 130470912.

The previous prime is 143318897. The next prime is 143318939. The reversal of 143318929 is 929813341.

143318929 is digitally balanced in base 2, 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 6 ways, for example, as 25553025 + 117765904 = 5055^2 + 10852^2 .

It is not a de Polignac number, because 143318929 - 2⁵ = 143318897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143318891 and 143318900.

It is not an unprimeable number, because it can be changed into a prime (143318939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6529 + ... + 18145.

It is an arithmetic number, because the mean of its divisors is an integer number (13110913).

Almost surely, 2^143318929 is an apocalyptic number.

It is an amenable number.

143318929 is a deficient number, since it is larger than the sum of its proper divisors (14012027).

143318929 is a wasteful number, since it uses less digits than its factorization.

143318929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716 (or 11703 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 143318929 is about 11971.5884075590. The cubic root of 143318929 is about 523.3206249590.

The spelling of 143318929 in words is "one hundred forty-three million, three hundred eighteen thousand, nine hundred twenty-nine".