143140021142 has 16 divisors (see below), whose sum is σ = 225428963760. Its totient is φ = 68070703008.

The previous prime is 143140021109. The next prime is 143140021243. The reversal of 143140021142 is 241120041341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18413513 + ... + 18421284.

It is an arithmetic number, because the mean of its divisors is an integer number (14089310235).

Almost surely, 2^143140021142 is an apocalyptic number.

143140021142 is a deficient number, since it is larger than the sum of its proper divisors (82288942618).

143140021142 is a wasteful number, since it uses less digits than its factorization.

143140021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36834895.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 143140021142 its reverse (241120041341), we get a palindrome (384260062483).

The spelling of 143140021142 in words is "one hundred forty-three billion, one hundred forty million, twenty-one thousand, one hundred forty-two".