544421222145 has 48 divisors (see below), whose sum is σ = 971868568320. Its totient is φ = 281723225472.

The previous prime is 544421222083. The next prime is 544421222159. The reversal of 544421222145 is 541222124445.

544421222145 is a `hidden beast` number, since 5 + 4 + 4 + 421 + 2 + 221 + 4 + 5 = 666.

It is not a de Polignac number, because 544421222145 - 2⁸ = 544421221889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142332 + ... + 1053138.

It is an arithmetic number, because the mean of its divisors is an integer number (20247261840).

Almost surely, 2^544421222145 is an apocalyptic number.

It is an amenable number.

544421222145 is a deficient number, since it is larger than the sum of its proper divisors (427447346175).

544421222145 is a wasteful number, since it uses less digits than its factorization.

544421222145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911214 (or 911211 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

The spelling of 544421222145 in words is "five hundred forty-four billion, four hundred twenty-one million, two hundred twenty-two thousand, one hundred forty-five".