144531261355 has 48 divisors (see below), whose sum is σ = 195444002880. Its totient is φ = 101990363904.

The previous prime is 144531261331. The next prime is 144531261361. The reversal of 144531261355 is 553162135441.

144531261355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144531261355 - 2⁷ = 144531261227 is a prime.

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 in 47 ways as a sum of consecutive naturals, for example, 64608297 + ... + 64610533.

It is an arithmetic number, because the mean of its divisors is an integer number (4071750060).

Almost surely, 2^144531261355 is an apocalyptic number.

144531261355 is a deficient number, since it is larger than the sum of its proper divisors (50912741525).

144531261355 is a wasteful number, since it uses less digits than its factorization.

144531261355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4157 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

Adding to 144531261355 its reverse (553162135441), we get a palindrome (697693396796).

The spelling of 144531261355 in words is "one hundred forty-four billion, five hundred thirty-one million, two hundred sixty-one thousand, three hundred fifty-five".