245188165 has 16 divisors (see below), whose sum is σ = 308636928. Its totient is φ = 186633216.

The previous prime is 245188081. The next prime is 245188169. The reversal of 245188165 is 561881542.

It is a happy number.

245188165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245188165 - 2¹³ = 245179973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245188169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 27718.

It is an arithmetic number, because the mean of its divisors is an integer number (19289808).

Almost surely, 2^245188165 is an apocalyptic number.

It is an amenable number.

245188165 is a deficient number, since it is larger than the sum of its proper divisors (63448763).

245188165 is a wasteful number, since it uses less digits than its factorization.

245188165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268.

The product of its digits is 76800, while the sum is 40.

The square root of 245188165 is about 15658.4853992971. The cubic root of 245188165 is about 625.8926253451.

The spelling of 245188165 in words is "two hundred forty-five million, one hundred eighty-eight thousand, one hundred sixty-five".