2144430043145 has 8 divisors (see below), whose sum is σ = 2771263440456. Its totient is φ = 1583579108736.

The previous prime is 2144430043139. The next prime is 2144430043181. The reversal of 2144430043145 is 5413400344412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64616114809 + 2079813928336 = 254197^2 + 1442156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144430043145 - 2⁶ = 2144430043081 is a prime.

It is a super-2 number, since 2×2144430043145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16495615652 + ... + 16495615781.

It is an arithmetic number, because the mean of its divisors is an integer number (346407930057).

Almost surely, 2^{2144430043145} is an apocalyptic number.

It is an amenable number.

2144430043145 is a deficient number, since it is larger than the sum of its proper divisors (626833397311).

2144430043145 is a wasteful number, since it uses less digits than its factorization.

2144430043145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32991231451.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 2144430043145 its reverse (5413400344412), we get a palindrome (7557830387557).

The spelling of 2144430043145 in words is "two trillion, one hundred forty-four billion, four hundred thirty million, forty-three thousand, one hundred forty-five".