2144505533 has 16 divisors (see below), whose sum is σ = 2354317056. Its totient is φ = 1947116160.

The previous prime is 2144505529. The next prime is 2144505541. The reversal of 2144505533 is 3355054412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2144505533 - 2² = 2144505529 is a prime.

It is a super-2 number, since 2×2144505533² = 9197807962135228178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144505533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144505523) 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, 4160 + ... + 65622.

It is an arithmetic number, because the mean of its divisors is an integer number (147144816).

Almost surely, 2^2144505533 is an apocalyptic number.

2144505533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2144505533 is a deficient number, since it is larger than the sum of its proper divisors (209811523).

2144505533 is a wasteful number, since it uses less digits than its factorization.

2144505533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61564.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2144505533 is about 46308.8062143692. The cubic root of 2144505533 is about 1289.5624846844.

Adding to 2144505533 its reverse (3355054412), we get a palindrome (5499559945).

The spelling of 2144505533 in words is "two billion, one hundred forty-four million, five hundred five thousand, five hundred thirty-three".