143135212 has 12 divisors (see below), whose sum is σ = 273258216. Its totient is φ = 65061440.

The previous prime is 143135177. The next prime is 143135221. The reversal of 143135212 is 212531341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626493 + ... + 1626580.

It is an arithmetic number, because the mean of its divisors is an integer number (22771518).

Almost surely, 2^143135212 is an apocalyptic number.

It is an amenable number.

143135212 is a deficient number, since it is larger than the sum of its proper divisors (130123004).

143135212 is a wasteful number, since it uses less digits than its factorization.

143135212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253088 (or 3253086 counting only the distinct ones).

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

The square root of 143135212 is about 11963.9129050658. The cubic root of 143135212 is about 523.0969187436.

Adding to 143135212 its reverse (212531341), we get a palindrome (355666553).

The spelling of 143135212 in words is "one hundred forty-three million, one hundred thirty-five thousand, two hundred twelve".