144542231252 has 6 divisors (see below), whose sum is σ = 252948904698. Its totient is φ = 72271115624.

The previous prime is 144542231243. The next prime is 144542231311. The reversal of 144542231252 is 252132245441.

144542231252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124322528836 + 20219702416 = 352594^2 + 142196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18067778903 + ... + 18067778910.

It is an arithmetic number, because the mean of its divisors is an integer number (42158150783).

Almost surely, 2^144542231252 is an apocalyptic number.

It is an amenable number.

144542231252 is a deficient number, since it is larger than the sum of its proper divisors (108406673446).

144542231252 is a wasteful number, since it uses less digits than its factorization.

144542231252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36135557817 (or 36135557815 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

Adding to 144542231252 its reverse (252132245441), we get a palindrome (396674476693).

The spelling of 144542231252 in words is "one hundred forty-four billion, five hundred forty-two million, two hundred thirty-one thousand, two hundred fifty-two".