170431045 has 16 divisors (see below), whose sum is σ = 218016000. Its totient is φ = 127528128.

The previous prime is 170431033. The next prime is 170431061. The reversal of 170431045 is 540134071.

170431045 = 2986² + 2987² + ... + 3004².

It is a cyclic number.

It is not a de Polignac number, because 170431045 - 2⁵ = 170431013 is a prime.

It is a congruent number.

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, 3850 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (13626000).

Almost surely, 2^170431045 is an apocalyptic number.

It is an amenable number.

170431045 is a deficient number, since it is larger than the sum of its proper divisors (47584955).

170431045 is a wasteful number, since it uses less digits than its factorization.

170431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22812.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 170431045 is about 13054.9241667656. The cubic root of 170431045 is about 554.4336348245.

The spelling of 170431045 in words is "one hundred seventy million, four hundred thirty-one thousand, forty-five".