544224136154141 has 4 divisors (see below), whose sum is σ = 544228595923452. Its totient is φ = 544219676384832.

The previous prime is 544224136154077. The next prime is 544224136154177. The reversal of 544224136154141 is 141451631422445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 447249323992900 + 96974812161241 = 21148270^2 + 9847579^2 .

It is a cyclic number.

It is not a de Polignac number, because 544224136154141 - 2⁶ = 544224136154077 is a prime.

It is a super-2 number, since 2×544224136154141² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544224136154341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229701606 + ... + 2229945671.

It is an arithmetic number, because the mean of its divisors is an integer number (136057148980863).

Almost surely, 2^{544224136154141} is an apocalyptic number.

It is an amenable number.

544224136154141 is a deficient number, since it is larger than the sum of its proper divisors (4459769311).

544224136154141 is a wasteful number, since it uses less digits than its factorization.

544224136154141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459769310.

The product of its digits is 1843200, while the sum is 47.

Adding to 544224136154141 its reverse (141451631422445), we get a palindrome (685675767576586).

The spelling of 544224136154141 in words is "five hundred forty-four trillion, two hundred twenty-four billion, one hundred thirty-six million, one hundred fifty-four thousand, one hundred forty-one".