2144533155 has 32 divisors (see below), whose sum is σ = 3515885568. Its totient is φ = 1115702400.

The previous prime is 2144533129. The next prime is 2144533177. The reversal of 2144533155 is 5513354412.

It is not a de Polignac number, because 2144533155 - 2⁶ = 2144533091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214365 + ... + 224145.

It is an arithmetic number, because the mean of its divisors is an integer number (109871424).

Almost surely, 2^2144533155 is an apocalyptic number.

2144533155 is a deficient number, since it is larger than the sum of its proper divisors (1371352413).

2144533155 is a wasteful number, since it uses less digits than its factorization.

2144533155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147.

The product of its digits is 36000, while the sum is 33.

The square root of 2144533155 is about 46309.1044504210. The cubic root of 2144533155 is about 1289.5680213363.

Adding to 2144533155 its reverse (5513354412), we get a palindrome (7657887567).

The spelling of 2144533155 in words is "two billion, one hundred forty-four million, five hundred thirty-three thousand, one hundred fifty-five".