204115270145 has 16 divisors (see below), whose sum is σ = 257841411840. Its totient is φ = 154690930944.

The previous prime is 204115270133. The next prime is 204115270147. The reversal of 204115270145 is 541072511402.

204115270145 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 204115270145 - 2⁸ = 204115269889 is a prime.

It is a super-3 number, since 3×204115270145³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204115270147) 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, 3262952 + ... + 3324918.

It is an arithmetic number, because the mean of its divisors is an integer number (16115088240).

Almost surely, 2^204115270145 is an apocalyptic number.

It is an amenable number.

204115270145 is a deficient number, since it is larger than the sum of its proper divisors (53726141695).

204115270145 is a wasteful number, since it uses less digits than its factorization.

204115270145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96664.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 204115270145 its reverse (541072511402), we get a palindrome (745187781547).

The spelling of 204115270145 in words is "two hundred four billion, one hundred fifteen million, two hundred seventy thousand, one hundred forty-five".