2144533149 has 24 divisors (see below), whose sum is σ = 3381549600. Its totient is φ = 1298838240.

The previous prime is 2144533129. The next prime is 2144533177. The reversal of 2144533149 is 9413354412.

It is not a de Polignac number, because 2144533149 - 2¹³ = 2144524957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144533129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158742 + ... + 171720.

It is an arithmetic number, because the mean of its divisors is an integer number (140897900).

Almost surely, 2^2144533149 is an apocalyptic number.

It is an amenable number.

2144533149 is a deficient number, since it is larger than the sum of its proper divisors (1237016451).

2144533149 is a wasteful number, since it uses less digits than its factorization.

2144533149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665 (or 14662 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2144533149 is about 46309.1043856389. The cubic root of 2144533149 is about 1289.5680201336.

The spelling of 2144533149 in words is "two billion, one hundred forty-four million, five hundred thirty-three thousand, one hundred forty-nine".