144222520355 has 4 divisors (see below), whose sum is σ = 173067024432. Its totient is φ = 115378016280.

The previous prime is 144222520333. The next prime is 144222520433. The reversal of 144222520355 is 553025222441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553025222441 = 97 ⋅5701290953.

It is a de Polignac number, because none of the positive numbers 2^k-144222520355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14422252031 + ... + 14422252040.

It is an arithmetic number, because the mean of its divisors is an integer number (43266756108).

Almost surely, 2^144222520355 is an apocalyptic number.

144222520355 is a deficient number, since it is larger than the sum of its proper divisors (28844504077).

144222520355 is an equidigital number, since it uses as much as digits as its factorization.

144222520355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28844504076.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 144222520355 its reverse (553025222441), we get a palindrome (697247742796).

The spelling of 144222520355 in words is "one hundred forty-four billion, two hundred twenty-two million, five hundred twenty thousand, three hundred fifty-five".