2144122045 has 8 divisors (see below), whose sum is σ = 2770865496. Its totient is φ = 1583351616.

The previous prime is 2144122033. The next prime is 2144122067. The reversal of 2144122045 is 5402214412.

It can be written as a sum of positive squares in 4 ways, for example, as 85322169 + 2058799876 = 9237^2 + 45374^2 .

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 2144122045 - 2²¹ = 2142024893 is a prime.

It is a Duffinian number.

It is a congruent 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, 16493182 + ... + 16493311.

It is an arithmetic number, because the mean of its divisors is an integer number (346358187).

Almost surely, 2^2144122045 is an apocalyptic number.

It is an amenable number.

2144122045 is a deficient number, since it is larger than the sum of its proper divisors (626743451).

2144122045 is a wasteful number, since it uses less digits than its factorization.

2144122045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32986511.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2144122045 is about 46304.6654776816. The cubic root of 2144122045 is about 1289.4856120733.

Adding to 2144122045 its reverse (5402214412), we get a palindrome (7546336457).

The spelling of 2144122045 in words is "two billion, one hundred forty-four million, one hundred twenty-two thousand, forty-five".