171134543 has 4 divisors (see below), whose sum is σ = 171178968. Its totient is φ = 171090120.

The previous prime is 171134527. The next prime is 171134573. The reversal of 171134543 is 345431171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345431171 = 31 ⋅11142941.

It is a cyclic number.

It is not a de Polignac number, because 171134543 - 2⁴ = 171134527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171134503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15821 + ... + 24342.

It is an arithmetic number, because the mean of its divisors is an integer number (42794742).

Almost surely, 2^171134543 is an apocalyptic number.

171134543 is a deficient number, since it is larger than the sum of its proper divisors (44425).

171134543 is an equidigital number, since it uses as much as digits as its factorization.

171134543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44424.

The product of its digits is 5040, while the sum is 29.

The square root of 171134543 is about 13081.8401992992. The cubic root of 171134543 is about 555.1954434355.

The spelling of 171134543 in words is "one hundred seventy-one million, one hundred thirty-four thousand, five hundred forty-three".