144403055 has 4 divisors (see below), whose sum is σ = 173283672. Its totient is φ = 115522440.

The previous prime is 144403019. The next prime is 144403057. The reversal of 144403055 is 550304441.

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

It is not a de Polignac number, because 144403055 - 2¹⁰ = 144402031 is a prime.

It is a super-3 number, since 3×144403055³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144403057) 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, 14440301 + ... + 14440310.

It is an arithmetic number, because the mean of its divisors is an integer number (43320918).

Almost surely, 2^144403055 is an apocalyptic number.

144403055 is a deficient number, since it is larger than the sum of its proper divisors (28880617).

144403055 is an equidigital number, since it uses as much as digits as its factorization.

144403055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28880616.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 144403055 is about 12016.7822232077. The cubic root of 144403055 is about 524.6368524178.

Adding to 144403055 its reverse (550304441), we get a palindrome (694707496).

The spelling of 144403055 in words is "one hundred forty-four million, four hundred three thousand, fifty-five".