2144153521 has 2 divisors, whose sum is σ = 2144153522. Its totient is φ = 2144153520.

The previous prime is 2144153467. The next prime is 2144153527. The reversal of 2144153521 is 1253514412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2080728225 + 63425296 = 45615^2 + 7964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144153521 - 2⁷ = 2144153393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144153521.

It is not a weakly prime, because it can be changed into another prime (2144153527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072076760 + 1072076761.

It is an arithmetic number, because the mean of its divisors is an integer number (1072076761).

Almost surely, 2^2144153521 is an apocalyptic number.

It is an amenable number.

2144153521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144153521 is an equidigital number, since it uses as much as digits as its factorization.

2144153521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 2144153521 is about 46305.0053557928. The cubic root of 2144153521 is about 1289.4919219832.

Adding to 2144153521 its reverse (1253514412), we get a palindrome (3397667933).

The spelling of 2144153521 in words is "two billion, one hundred forty-four million, one hundred fifty-three thousand, five hundred twenty-one".