2144043553 has 16 divisors (see below), whose sum is σ = 2302344000. Its totient is φ = 1989453312.

The previous prime is 2144043547. The next prime is 2144043557. The reversal of 2144043553 is 3553404412.

It is a de Polignac number, because none of the positive numbers 2^k-2144043553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144043557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571558 + ... + 575296.

It is an arithmetic number, because the mean of its divisors is an integer number (143896500).

Almost surely, 2^2144043553 is an apocalyptic number.

It is an amenable number.

2144043553 is a deficient number, since it is larger than the sum of its proper divisors (158300447).

2144043553 is a wasteful number, since it uses less digits than its factorization.

2144043553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

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

The square root of 2144043553 is about 46303.8179095418. The cubic root of 2144043553 is about 1289.4698767222.

Adding to 2144043553 its reverse (3553404412), we get a palindrome (5697447965).

The spelling of 2144043553 in words is "two billion, one hundred forty-four million, forty-three thousand, five hundred fifty-three".