245166 has 16 divisors (see below), whose sum is σ = 507600. Its totient is φ = 78848.

The previous prime is 245149. The next prime is 245171. The reversal of 245166 is 661542.

It is a d-powerful number, because it can be written as 2¹³ + 4⁸ + 1 + 5⁷ + 6⁶ + 6⁶ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245166.

It is an unprimeable number.

245166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (31725).

2²⁴⁵¹⁶⁶ is an apocalyptic number.

245166 is an abundant number, since it is smaller than the sum of its proper divisors (262434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245166 is a wasteful number, since it uses less digits than its factorization.

245166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its digits is 1440, while the sum is 24.

The square root of 245166 is about 495.1424037588. The cubic root of 245166 is about 62.5873764554.

The spelling of 245166 in words is "two hundred forty-five thousand, one hundred sixty-six".