225845144878 has 8 divisors (see below), whose sum is σ = 339151375368. Its totient is φ = 112794686424.

The previous prime is 225845144867. The next prime is 225845144881. The reversal of 225845144878 is 878441548522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63940801 + ... + 63944332.

It is an arithmetic number, because the mean of its divisors is an integer number (42393921921).

Almost surely, 2^225845144878 is an apocalyptic number.

225845144878 is a deficient number, since it is larger than the sum of its proper divisors (113306230490).

225845144878 is a wasteful number, since it uses less digits than its factorization.

225845144878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127886018.

The product of its digits is 22937600, while the sum is 58.

The spelling of 225845144878 in words is "two hundred twenty-five billion, eight hundred forty-five million, one hundred forty-four thousand, eight hundred seventy-eight".