144123005 has 8 divisors (see below), whose sum is σ = 186251352. Its totient is φ = 106429248.

The previous prime is 144122969. The next prime is 144123019. The reversal of 144123005 is 500321441.

144123005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16297369 + 127825636 = 4037^2 + 11306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144123005 - 2¹⁶ = 144057469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108574 + ... + 1108703.

It is an arithmetic number, because the mean of its divisors is an integer number (23281419).

Almost surely, 2^144123005 is an apocalyptic number.

It is an amenable number.

144123005 is a deficient number, since it is larger than the sum of its proper divisors (42128347).

144123005 is a wasteful number, since it uses less digits than its factorization.

144123005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217295.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 144123005 is about 12005.1241143105. The cubic root of 144123005 is about 524.2974790967.

Adding to 144123005 its reverse (500321441), we get a palindrome (644444446).

The spelling of 144123005 in words is "one hundred forty-four million, one hundred twenty-three thousand, five".