2144253554 has 16 divisors (see below), whose sum is σ = 3406455000. Its totient is φ = 1008801024.

The previous prime is 2144253511. The next prime is 2144253589. The reversal of 2144253554 is 4553524412.

It can be written as a sum of positive squares in 4 ways, for example, as 1209300625 + 934952929 = 34775^2 + 30577^2 .

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, 215072 + ... + 224820.

Almost surely, 2^2144253554 is an apocalyptic number.

2144253554 is a deficient number, since it is larger than the sum of its proper divisors (1262201446).

2144253554 is a wasteful number, since it uses less digits than its factorization.

2144253554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16237.

The product of its digits is 96000, while the sum is 35.

The square root of 2144253554 is about 46306.0854964010. The cubic root of 2144253554 is about 1289.5119749222.

Adding to 2144253554 its reverse (4553524412), we get a palindrome (6697777966).

The spelling of 2144253554 in words is "two billion, one hundred forty-four million, two hundred fifty-three thousand, five hundred fifty-four".