2144254453044 has 24 divisors (see below), whose sum is σ = 5458102244448. Its totient is φ = 649774076640.

The previous prime is 2144254453039. The next prime is 2144254453073. The reversal of 2144254453044 is 4403544524412.

It is a junction number, because it is equal to n+sod(n) for n = 2144254452987 and 2144254453005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8122175827 + ... + 8122176090.

It is an arithmetic number, because the mean of its divisors is an integer number (227420926852).

Almost surely, 2^{2144254453044} is an apocalyptic number.

It is an amenable number.

2144254453044 is an abundant number, since it is smaller than the sum of its proper divisors (3313847791404).

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

2144254453044 is a wasteful number, since it uses less digits than its factorization.

2144254453044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16244351935 (or 16244351933 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 2144254453044 its reverse (4403544524412), we get a palindrome (6547798977456).

The spelling of 2144254453044 in words is "two trillion, one hundred forty-four billion, two hundred fifty-four million, four hundred fifty-three thousand, forty-four".