171412945 has 16 divisors (see below), whose sum is σ = 224788608. Its totient is φ = 124445440.

The previous prime is 171412933. The next prime is 171412963. The reversal of 171412945 is 549214171.

It is not a de Polignac number, because 171412945 - 2²¹ = 169315793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 171412945.

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, 33177 + ... + 37993.

It is an arithmetic number, because the mean of its divisors is an integer number (14049288).

Almost surely, 2^171412945 is an apocalyptic number.

It is an amenable number.

171412945 is a deficient number, since it is larger than the sum of its proper divisors (53375663).

171412945 is a wasteful number, since it uses less digits than its factorization.

171412945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480.

The product of its digits is 10080, while the sum is 34.

The square root of 171412945 is about 13092.4766564619. The cubic root of 171412945 is about 555.4963446599.

The spelling of 171412945 in words is "one hundred seventy-one million, four hundred twelve thousand, nine hundred forty-five".