144234005 has 4 divisors (see below), whose sum is σ = 173080812. Its totient is φ = 115387200.

The previous prime is 144233963. The next prime is 144234007. The reversal of 144234005 is 500432441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500432441 = 1831 ⋅273311.

It can be written as a sum of positive squares in 2 ways, for example, as 59336209 + 84897796 = 7703^2 + 9214^2 .

It is not a de Polignac number, because 144234005 - 2¹⁴ = 144217621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144234007) 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, 14423396 + ... + 14423405.

It is an arithmetic number, because the mean of its divisors is an integer number (43270203).

Almost surely, 2^144234005 is an apocalyptic number.

It is an amenable number.

144234005 is a deficient number, since it is larger than the sum of its proper divisors (28846807).

144234005 is an equidigital number, since it uses as much as digits as its factorization.

144234005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846806.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144234005 is about 12009.7462504418. The cubic root of 144234005 is about 524.4320449049.

Adding to 144234005 its reverse (500432441), we get a palindrome (644666446).

The spelling of 144234005 in words is "one hundred forty-four million, two hundred thirty-four thousand, five".