142987171443 has 16 divisors (see below), whose sum is σ = 198947498496. Its totient is φ = 91176180480.

The previous prime is 142987171423. The next prime is 142987171501. The reversal of 142987171443 is 344171789241.

It is not a de Polignac number, because 142987171443 - 2¹² = 142987167347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142987171423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706723 + ... + 2759043.

It is an arithmetic number, because the mean of its divisors is an integer number (12434218656).

Almost surely, 2^142987171443 is an apocalyptic number.

142987171443 is a deficient number, since it is larger than the sum of its proper divisors (55960327053).

142987171443 is a wasteful number, since it uses less digits than its factorization.

142987171443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91954.

The product of its digits is 1354752, while the sum is 51.

The spelling of 142987171443 in words is "one hundred forty-two billion, nine hundred eighty-seven million, one hundred seventy-one thousand, four hundred forty-three".