144225115554 has 64 divisors (see below), whose sum is σ = 325437170688. Its totient is φ = 42278280000.

The previous prime is 144225115549. The next prime is 144225115561. The reversal of 144225115554 is 455511522441.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290149 + ... + 610439.

It is an arithmetic number, because the mean of its divisors is an integer number (5084955792).

Almost surely, 2^144225115554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144225115554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162718585344).

144225115554 is an abundant number, since it is smaller than the sum of its proper divisors (181212055134).

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

144225115554 is a wasteful number, since it uses less digits than its factorization.

144225115554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320583.

The product of its digits is 160000, while the sum is 39.

Adding to 144225115554 its reverse (455511522441), we get a palindrome (599736637995).

The spelling of 144225115554 in words is "one hundred forty-four billion, two hundred twenty-five million, one hundred fifteen thousand, five hundred fifty-four".