2144211023445 has 16 divisors (see below), whose sum is σ = 3436334287872. Its totient is φ = 1141713662400.

The previous prime is 2144211023443. The next prime is 2144211023491. The reversal of 2144211023445 is 5443201124412.

It is not a de Polignac number, because 2144211023445 - 2¹ = 2144211023443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144211023443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116587381 + ... + 116605770.

It is an arithmetic number, because the mean of its divisors is an integer number (214770892992).

Almost surely, 2^{2144211023445} is an apocalyptic number.

It is an amenable number.

2144211023445 is a deficient number, since it is larger than the sum of its proper divisors (1292123264427).

2144211023445 is a wasteful number, since it uses less digits than its factorization.

2144211023445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233193772.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 2144211023445 its reverse (5443201124412), we get a palindrome (7587412147857).

The spelling of 2144211023445 in words is "two trillion, one hundred forty-four billion, two hundred eleven million, twenty-three thousand, four hundred forty-five".