144320055 has 64 divisors (see below), whose sum is σ = 278443008. Its totient is φ = 62965760.

The previous prime is 144320039. The next prime is 144320069. The reversal of 144320055 is 550023441.

It is not a de Polignac number, because 144320055 - 2⁴ = 144320039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63397 + ... + 65633.

It is an arithmetic number, because the mean of its divisors is an integer number (4350672).

Almost surely, 2^144320055 is an apocalyptic number.

144320055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144320055 is a deficient number, since it is larger than the sum of its proper divisors (134122953).

144320055 is a wasteful number, since it uses less digits than its factorization.

144320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 144320055 is about 12013.3282232694. The cubic root of 144320055 is about 524.5363162153.

Adding to 144320055 its reverse (550023441), we get a palindrome (694343496).

The spelling of 144320055 in words is "one hundred forty-four million, three hundred twenty thousand, fifty-five".