2144324245455 has 96 divisors (see below), whose sum is σ = 4359554409600. Its totient is φ = 974595041280.

The previous prime is 2144324245451. The next prime is 2144324245477. The reversal of 2144324245455 is 5545424234412.

2144324245455 is a `hidden beast` number, since 2 + 1 + 44 + 324 + 245 + 45 + 5 = 666.

It is not a de Polignac number, because 2144324245455 - 2² = 2144324245451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2144324245455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144324245451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2268735 + ... + 3071775.

It is an arithmetic number, because the mean of its divisors is an integer number (45412025100).

Almost surely, 2^{2144324245455} is an apocalyptic number.

2144324245455 is an abundant number, since it is smaller than the sum of its proper divisors (2215230164145).

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

2144324245455 is a wasteful number, since it uses less digits than its factorization.

2144324245455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803246 (or 803229 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

Adding to 2144324245455 its reverse (5545424234412), we get a palindrome (7689748479867).

The spelling of 2144324245455 in words is "two trillion, one hundred forty-four billion, three hundred twenty-four million, two hundred forty-five thousand, four hundred fifty-five".