144531205122245 has 8 divisors (see below), whose sum is σ = 177667627760280. Its totient is φ = 112804843022080.

The previous prime is 144531205122229. The next prime is 144531205122247. The reversal of 144531205122245 is 542221502135441.

It can be written as a sum of positive squares in 4 ways, for example, as 1366582042081 + 143164623080164 = 1169009^2 + 11965142^2 .

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

It is not a de Polignac number, because 144531205122245 - 2⁴ = 144531205122229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144531205122247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352515134240 + ... + 352515134649.

It is an arithmetic number, because the mean of its divisors is an integer number (22208453470035).

Almost surely, 2^{144531205122245} is an apocalyptic number.

It is an amenable number.

144531205122245 is a deficient number, since it is larger than the sum of its proper divisors (33136422638035).

144531205122245 is an equidigital number, since it uses as much as digits as its factorization.

144531205122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705030268935.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 144531205122245 its reverse (542221502135441), we get a palindrome (686752707257686).

The spelling of 144531205122245 in words is "one hundred forty-four trillion, five hundred thirty-one billion, two hundred five million, one hundred twenty-two thousand, two hundred forty-five".