2144684155 has 8 divisors (see below), whose sum is σ = 2608876512. Its totient is φ = 1692243648.

The previous prime is 2144684153. The next prime is 2144684221. The reversal of 2144684155 is 5514864412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144684155 - 2¹ = 2144684153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144684153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937559 + ... + 2938288.

It is an arithmetic number, because the mean of its divisors is an integer number (326109564).

Almost surely, 2^2144684155 is an apocalyptic number.

2144684155 is a deficient number, since it is larger than the sum of its proper divisors (464192357).

2144684155 is an equidigital number, since it uses as much as digits as its factorization.

2144684155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875925.

The product of its digits is 153600, while the sum is 40.

The square root of 2144684155 is about 46310.7347706771. The cubic root of 2144684155 is about 1289.5982874730.

The spelling of 2144684155 in words is "two billion, one hundred forty-four million, six hundred eighty-four thousand, one hundred fifty-five".