171883545142 has 16 divisors (see below), whose sum is σ = 270472413600. Its totient is φ = 81809553280.

The previous prime is 171883545137. The next prime is 171883545157. The reversal of 171883545142 is 241545388171.

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, 20865667 + ... + 20873902.

It is an arithmetic number, because the mean of its divisors is an integer number (16904525850).

Almost surely, 2^171883545142 is an apocalyptic number.

171883545142 is a deficient number, since it is larger than the sum of its proper divisors (98588868458).

171883545142 is a wasteful number, since it uses less digits than its factorization.

171883545142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41739671.

The product of its digits is 1075200, while the sum is 49.

The spelling of 171883545142 in words is "one hundred seventy-one billion, eight hundred eighty-three million, five hundred forty-five thousand, one hundred forty-two".