143015857138 has 48 divisors (see below), whose sum is σ = 278565385824. Its totient is φ = 54424621440.

The previous prime is 143015857133. The next prime is 143015857139. The reversal of 143015857138 is 831758510341.

It is not an unprimeable number, because it can be changed into a prime (143015857133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1496295 + ... + 1589002.

It is an arithmetic number, because the mean of its divisors is an integer number (5803445538).

Almost surely, 2^143015857138 is an apocalyptic number.

143015857138 is a deficient number, since it is larger than the sum of its proper divisors (135549528686).

143015857138 is a wasteful number, since it uses less digits than its factorization.

143015857138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085367 (or 3085360 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 143015857138 in words is "one hundred forty-three billion, fifteen million, eight hundred fifty-seven thousand, one hundred thirty-eight".