144220043 has 24 divisors (see below), whose sum is σ = 165395664. Its totient is φ = 124675200.

The previous prime is 144220039. The next prime is 144220081. The reversal of 144220043 is 340022441.

144220043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144220043 - 2² = 144220039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144219997 and 144220024.

It is not an unprimeable number, because it can be changed into a prime (144220003) 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, 918521 + ... + 918677.

It is an arithmetic number, because the mean of its divisors is an integer number (6891486).

Almost surely, 2^144220043 is an apocalyptic number.

144220043 is a deficient number, since it is larger than the sum of its proper divisors (21175621).

144220043 is a wasteful number, since it uses less digits than its factorization.

144220043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144220043 is about 12009.1649584807. The cubic root of 144220043 is about 524.4151225051.

Adding to 144220043 its reverse (340022441), we get a palindrome (484242484).

The spelling of 144220043 in words is "one hundred forty-four million, two hundred twenty thousand, forty-three".