144520244252 has 12 divisors (see below), whose sum is σ = 257056500456. Its totient is φ = 71075529840.

The previous prime is 144520244251. The next prime is 144520244269. The reversal of 144520244252 is 252442025441.

It is a super-2 number, since 2×144520244252² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144520244251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296147798 + ... + 296148285.

It is an arithmetic number, because the mean of its divisors is an integer number (21421375038).

Almost surely, 2^144520244252 is an apocalyptic number.

It is an amenable number.

144520244252 is a deficient number, since it is larger than the sum of its proper divisors (112536256204).

144520244252 is a wasteful number, since it uses less digits than its factorization.

144520244252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592296148 (or 592296146 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 144520244252 its reverse (252442025441), we get a palindrome (396962269693).

The spelling of 144520244252 in words is "one hundred forty-four billion, five hundred twenty million, two hundred forty-four thousand, two hundred fifty-two".