2144548243 has 2 divisors, whose sum is σ = 2144548244. Its totient is φ = 2144548242.

The previous prime is 2144548201. The next prime is 2144548253. The reversal of 2144548243 is 3428454412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144548243 - 2⁹ = 2144547731 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144548253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072274121 + 1072274122.

It is an arithmetic number, because the mean of its divisors is an integer number (1072274122).

Almost surely, 2^2144548243 is an apocalyptic number.

2144548243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144548243 is an equidigital number, since it uses as much as digits as its factorization.

2144548243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 37.

The square root of 2144548243 is about 46309.2673554657. The cubic root of 2144548243 is about 1289.5710456086.

The spelling of 2144548243 in words is "two billion, one hundred forty-four million, five hundred forty-eight thousand, two hundred forty-three".