245985194 has 32 divisors (see below), whose sum is σ = 463411200. Its totient is φ = 97309296.

The previous prime is 245985193. The next prime is 245985203. The reversal of 245985194 is 491589542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245985193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4874 + ... + 22709.

It is an arithmetic number, because the mean of its divisors is an integer number (14481600).

Almost surely, 2^245985194 is an apocalyptic number.

245985194 is a deficient number, since it is larger than the sum of its proper divisors (217426006).

245985194 is a wasteful number, since it uses less digits than its factorization.

245985194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27619 (or 27605 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 245985194 is about 15683.9151362152. The cubic root of 245985194 is about 626.5700846452.

It can be divided in two parts, 24598 and 5194, that added together give a palindrome (29792).

The spelling of 245985194 in words is "two hundred forty-five million, nine hundred eighty-five thousand, one hundred ninety-four".