171245054 has 16 divisors (see below), whose sum is σ = 265507200. Its totient is φ = 82750080.

The previous prime is 171245033. The next prime is 171245071. The reversal of 171245054 is 450542171.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63722 + ... + 66354.

It is an arithmetic number, because the mean of its divisors is an integer number (16594200).

Almost surely, 2^171245054 is an apocalyptic number.

171245054 is a deficient number, since it is larger than the sum of its proper divisors (94262146).

171245054 is a wasteful number, since it uses less digits than its factorization.

171245054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 171245054 is about 13086.0633499919. The cubic root of 171245054 is about 555.3149244795.

The spelling of 171245054 in words is "one hundred seventy-one million, two hundred forty-five thousand, fifty-four".