171145542734 has 8 divisors (see below), whose sum is σ = 257528152008. Its totient is φ = 85302825400.

The previous prime is 171145542721. The next prime is 171145542761. The reversal of 171145542734 is 437245541171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 134972192 + ... + 134973459.

It is an arithmetic number, because the mean of its divisors is an integer number (32191019001).

Almost surely, 2^171145542734 is an apocalyptic number.

171145542734 is a deficient number, since it is larger than the sum of its proper divisors (86382609274).

171145542734 is a wasteful number, since it uses less digits than its factorization.

171145542734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269945970.

The product of its digits is 470400, while the sum is 44.

The spelling of 171145542734 in words is "one hundred seventy-one billion, one hundred forty-five million, five hundred forty-two thousand, seven hundred thirty-four".