2144590043 has 4 divisors (see below), whose sum is σ = 2147835168. Its totient is φ = 2141344920.

The previous prime is 2144590037. The next prime is 2144590061. The reversal of 2144590043 is 3400954412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144590043 - 2⁴ = 2144590027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144589991 and 2144590009.

It is not an unprimeable number, because it can be changed into a prime (2144590073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621571 + ... + 1622892.

It is an arithmetic number, because the mean of its divisors is an integer number (536958792).

Almost surely, 2^2144590043 is an apocalyptic number.

2144590043 is a deficient number, since it is larger than the sum of its proper divisors (3245125).

2144590043 is an equidigital number, since it uses as much as digits as its factorization.

2144590043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245124.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2144590043 is about 46309.7186668198. The cubic root of 2144590043 is about 1289.5794240195.

The spelling of 2144590043 in words is "two billion, one hundred forty-four million, five hundred ninety thousand, forty-three".