143921542472 has 16 divisors (see below), whose sum is σ = 269878435200. Its totient is φ = 71953959760.

The previous prime is 143921542459. The next prime is 143921542517. The reversal of 143921542472 is 274245129341.

It is a happy 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, 761072 + ... + 931167.

It is an arithmetic number, because the mean of its divisors is an integer number (16867402200).

Almost surely, 2^143921542472 is an apocalyptic number.

It is an amenable number.

143921542472 is a deficient number, since it is larger than the sum of its proper divisors (125956892728).

143921542472 is a wasteful number, since it uses less digits than its factorization.

143921542472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702876 (or 1702872 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 143921542472 in words is "one hundred forty-three billion, nine hundred twenty-one million, five hundred forty-two thousand, four hundred seventy-two".