143140412 has 12 divisors (see below), whose sum is σ = 250609296. Its totient is φ = 71537760.

The previous prime is 143140409. The next prime is 143140447. The reversal of 143140412 is 214041341.

It is a congruent number.

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, 3737 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (20884108).

Almost surely, 2^143140412 is an apocalyptic number.

It is an amenable number.

143140412 is a deficient number, since it is larger than the sum of its proper divisors (107468884).

143140412 is a wasteful number, since it uses less digits than its factorization.

143140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228 (or 16226 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 143140412 is about 11964.1302232966. The cubic root of 143140412 is about 523.1032532461.

Adding to 143140412 its reverse (214041341), we get a palindrome (357181753).

The spelling of 143140412 in words is "one hundred forty-three million, one hundred forty thousand, four hundred twelve".