144254534504520 has 256 divisors, whose sum is σ = 478910535782400. Its totient is φ = 34468272783360.

The previous prime is 144254534504501. The next prime is 144254534504543. The reversal of 144254534504520 is 25405435452441.

It is a self number, because there is not a number n which added to its sum of digits gives 144254534504520.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58970827 + ... + 61368293.

It is an arithmetic number, because the mean of its divisors is an integer number (1870744280400).

Almost surely, 2^{144254534504520} is an apocalyptic number.

144254534504520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144254534504520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239455267891200).

144254534504520 is an abundant number, since it is smaller than the sum of its proper divisors (334656001277880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144254534504520 is a wasteful number, since it uses less digits than its factorization.

144254534504520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398148 (or 2398144 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 48.

Adding to 144254534504520 its reverse (25405435452441), we get a palindrome (169659969956961).

The spelling of 144254534504520 in words is "one hundred forty-four trillion, two hundred fifty-four billion, five hundred thirty-four million, five hundred four thousand, five hundred twenty".