2053144345 has 24 divisors (see below), whose sum is σ = 2905307784. Its totient is φ = 1388572416.

The previous prime is 2053144339. The next prime is 2053144391. The reversal of 2053144345 is 5434413502.

It can be written as a sum of positive squares in 4 ways, for example, as 18412681 + 2034731664 = 4291^2 + 45108^2 .

It is not a de Polignac number, because 2053144345 - 2³ = 2053144337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39514 + ... + 75283.

It is an arithmetic number, because the mean of its divisors is an integer number (121054491).

Almost surely, 2^2053144345 is an apocalyptic number.

It is an amenable number.

2053144345 is a deficient number, since it is larger than the sum of its proper divisors (852163439).

2053144345 is a wasteful number, since it uses less digits than its factorization.

2053144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114889 (or 114882 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2053144345 is about 45311.6358676223. The cubic root of 2053144345 is about 1270.9832518242.

Adding to 2053144345 its reverse (5434413502), we get a palindrome (7487557847).

It can be divided in two parts, 2053144 and 345, that added together give a square (2053489 = 1433²).

The spelling of 2053144345 in words is "two billion, fifty-three million, one hundred forty-four thousand, three hundred forty-five".