144388005 has 16 divisors (see below), whose sum is σ = 231672960. Its totient is φ = 76789568.

The previous prime is 144387989. The next prime is 144388039. The reversal of 144388005 is 500883441.

It is a cyclic number.

It is not a de Polignac number, because 144388005 - 2⁴ = 144387989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8022 + ... + 18791.

It is an arithmetic number, because the mean of its divisors is an integer number (14479560).

Almost surely, 2^144388005 is an apocalyptic number.

144388005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144388005 is a deficient number, since it is larger than the sum of its proper divisors (87284955).

144388005 is a wasteful number, since it uses less digits than its factorization.

144388005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 144388005 is about 12016.1559993202. The cubic root of 144388005 is about 524.6186255205.

The spelling of 144388005 in words is "one hundred forty-four million, three hundred eighty-eight thousand, five".