144409005 has 48 divisors (see below), whose sum is σ = 278294016. Its totient is φ = 68791680.

The previous prime is 144408989. The next prime is 144409073. The reversal of 144409005 is 500904441.

It is not a de Polignac number, because 144409005 - 2⁴ = 144408989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144409005.

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 47 ways as a sum of consecutive naturals, for example, 14154 + ... + 22116.

It is an arithmetic number, because the mean of its divisors is an integer number (5797792).

Almost surely, 2^144409005 is an apocalyptic number.

144409005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144409005 is a deficient number, since it is larger than the sum of its proper divisors (133885011).

144409005 is a wasteful number, since it uses less digits than its factorization.

144409005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018 (or 8015 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 144409005 is about 12017.0297910923. The cubic root of 144409005 is about 524.6440580511.

The spelling of 144409005 in words is "one hundred forty-four million, four hundred nine thousand, five".