2144745120885 has 32 divisors (see below), whose sum is σ = 3461548511232. Its totient is φ = 1133915960640.

The previous prime is 2144745120851. The next prime is 2144745120919. The reversal of 2144745120885 is 5880215474412.

It is an interprime number because it is at equal distance from previous prime (2144745120851) and next prime (2144745120919).

It is not a de Polignac number, because 2144745120885 - 2¹⁴ = 2144745104501 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 247131 + ... + 2085800.

It is an arithmetic number, because the mean of its divisors is an integer number (108173390976).

Almost surely, 2^{2144745120885} is an apocalyptic number.

It is an amenable number.

2144745120885 is a deficient number, since it is larger than the sum of its proper divisors (1316803390347).

2144745120885 is a wasteful number, since it uses less digits than its factorization.

2144745120885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333473.

The product of its (nonzero) digits is 2867200, while the sum is 51.

The spelling of 2144745120885 in words is "two trillion, one hundred forty-four billion, seven hundred forty-five million, one hundred twenty thousand, eight hundred eighty-five".