171376745 has 8 divisors (see below), whose sum is σ = 217749384. Its totient is φ = 129036544.

The previous prime is 171376739. The next prime is 171376757. The reversal of 171376745 is 547673171.

It can be written as a sum of positive squares in 4 ways, for example, as 11202409 + 160174336 = 3347^2 + 12656^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 171376745 - 2²⁶ = 104267881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008014 + ... + 1008183.

It is an arithmetic number, because the mean of its divisors is an integer number (27218673).

Almost surely, 2^171376745 is an apocalyptic number.

It is an amenable number.

171376745 is a deficient number, since it is larger than the sum of its proper divisors (46372639).

171376745 is a wasteful number, since it uses less digits than its factorization.

171376745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016219.

The product of its digits is 123480, while the sum is 41.

The square root of 171376745 is about 13091.0941101193. The cubic root of 171376745 is about 555.4572375718.

The spelling of 171376745 in words is "one hundred seventy-one million, three hundred seventy-six thousand, seven hundred forty-five".