245438731185 has 16 divisors (see below), whose sum is σ = 394758005760. Its totient is φ = 130215311360.

The previous prime is 245438731171. The next prime is 245438731189. The reversal of 245438731185 is 581137834542.

245438731185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245438731185 - 2⁹ = 245438730673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245438731189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42831120 + ... + 42836849.

It is an arithmetic number, because the mean of its divisors is an integer number (24672375360).

Almost surely, 2^245438731185 is an apocalyptic number.

It is an amenable number.

245438731185 is a deficient number, since it is larger than the sum of its proper divisors (149319274575).

245438731185 is a wasteful number, since it uses less digits than its factorization.

245438731185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85668168.

The product of its digits is 3225600, while the sum is 51.

The spelling of 245438731185 in words is "two hundred forty-five billion, four hundred thirty-eight million, seven hundred thirty-one thousand, one hundred eighty-five".