143129912 has 32 divisors (see below), whose sum is σ = 280175520. Its totient is φ = 68480640.

The previous prime is 143129911. The next prime is 143129947. The reversal of 143129912 is 219921341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143129911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14093 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (8755485).

Almost surely, 2^143129912 is an apocalyptic number.

It is an amenable number.

143129912 is a deficient number, since it is larger than the sum of its proper divisors (137045608).

143129912 is a wasteful number, since it uses less digits than its factorization.

143129912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031 (or 8027 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 143129912 is about 11963.6914035761. The cubic root of 143129912 is about 523.0904622660.

The spelling of 143129912 in words is "one hundred forty-three million, one hundred twenty-nine thousand, nine hundred twelve".