171454142485 has 16 divisors (see below), whose sum is σ = 209717786880. Its totient is φ = 134525561920.

The previous prime is 171454142429. The next prime is 171454142501. The reversal of 171454142485 is 584241454171.

It is not a de Polignac number, because 171454142485 - 2²³ = 171445753877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547102 + ... + 801391.

It is an arithmetic number, because the mean of its divisors is an integer number (13107361680).

Almost surely, 2^171454142485 is an apocalyptic number.

It is an amenable number.

171454142485 is a deficient number, since it is larger than the sum of its proper divisors (38263644395).

171454142485 is a wasteful number, since it uses less digits than its factorization.

171454142485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348988.

The product of its digits is 716800, while the sum is 46.

The spelling of 171454142485 in words is "one hundred seventy-one billion, four hundred fifty-four million, one hundred forty-two thousand, four hundred eighty-five".