226405144545 has 32 divisors (see below), whose sum is σ = 370257592320. Its totient is φ = 118083817920.

The previous prime is 226405144519. The next prime is 226405144547. The reversal of 226405144545 is 545441504622.

It is not a de Polignac number, because 226405144545 - 2⁵ = 226405144513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 226405144497 and 226405144506.

It is not an unprimeable number, because it can be changed into a prime (226405144547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737416 + ... + 998294.

It is an arithmetic number, because the mean of its divisors is an integer number (11570549760).

Almost surely, 2^226405144545 is an apocalyptic number.

It is an amenable number.

226405144545 is a deficient number, since it is larger than the sum of its proper divisors (143852447775).

226405144545 is a wasteful number, since it uses less digits than its factorization.

226405144545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262165.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 226405144545 in words is "two hundred twenty-six billion, four hundred five million, one hundred forty-four thousand, five hundred forty-five".