144564423 has 4 divisors (see below), whose sum is σ = 192752568. Its totient is φ = 96376280.

The previous prime is 144564421. The next prime is 144564437. The reversal of 144564423 is 324465441.

It is a happy number.

144564423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144564423 - 2¹ = 144564421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144564421) 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, 24094068 + ... + 24094073.

It is an arithmetic number, because the mean of its divisors is an integer number (48188142).

Almost surely, 2^144564423 is an apocalyptic number.

144564423 is a deficient number, since it is larger than the sum of its proper divisors (48188145).

144564423 is an equidigital number, since it uses as much as digits as its factorization.

144564423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48188144.

The product of its digits is 46080, while the sum is 33.

The square root of 144564423 is about 12023.4946251080. The cubic root of 144564423 is about 524.8322039725.

The spelling of 144564423 in words is "one hundred forty-four million, five hundred sixty-four thousand, four hundred twenty-three".