985170545 has 16 divisors (see below), whose sum is σ = 1224737280. Its totient is φ = 759964800.

The previous prime is 985170517. The next prime is 985170559. The reversal of 985170545 is 545071589.

It is not a de Polignac number, because 985170545 - 2⁶ = 985170481 is a prime.

It is a super-2 number, since 2×985170545² = 1941122005471194050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 985170496 and 985170505.

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, 32246 + ... + 54864.

It is an arithmetic number, because the mean of its divisors is an integer number (76546080).

Almost surely, 2^985170545 is an apocalyptic number.

It is an amenable number.

985170545 is a deficient number, since it is larger than the sum of its proper divisors (239566735).

985170545 is a wasteful number, since it uses less digits than its factorization.

985170545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22936.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 985170545 is about 31387.4265431239. The cubic root of 985170545 is about 995.0322102651.

The spelling of 985170545 in words is "nine hundred eighty-five million, one hundred seventy thousand, five hundred forty-five".