2144202340245 has 16 divisors (see below), whose sum is σ = 3920827136640. Its totient is φ = 980206784064.

The previous prime is 2144202340223. The next prime is 2144202340253. The reversal of 2144202340245 is 5420432024412.

It is not a de Polignac number, because 2144202340245 - 2⁹ = 2144202339733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10210487230 + ... + 10210487439.

It is an arithmetic number, because the mean of its divisors is an integer number (245051696040).

Almost surely, 2^{2144202340245} is an apocalyptic number.

It is an amenable number.

2144202340245 is a deficient number, since it is larger than the sum of its proper divisors (1776624796395).

2144202340245 is a wasteful number, since it uses less digits than its factorization.

2144202340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20420974684.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 2144202340245 its reverse (5420432024412), we get a palindrome (7564634364657).

The spelling of 2144202340245 in words is "two trillion, one hundred forty-four billion, two hundred two million, three hundred forty thousand, two hundred forty-five".