144240105 has 8 divisors (see below), whose sum is σ = 230784192. Its totient is φ = 76928048.

The previous prime is 144240059. The next prime is 144240119. The reversal of 144240105 is 501042441.

It is a happy number.

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 144240105 - 2⁹ = 144239593 is a prime.

It is a super-2 number, since 2×144240105² = 41610415780822050, which contains 22 as substring.

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, 4807989 + ... + 4808018.

It is an arithmetic number, because the mean of its divisors is an integer number (28848024).

Almost surely, 2^144240105 is an apocalyptic number.

144240105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144240105 is a deficient number, since it is larger than the sum of its proper divisors (86544087).

144240105 is an equidigital number, since it uses as much as digits as its factorization.

144240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616015.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 144240105 is about 12010.0002081599. Note that the first 3 decimals coincide. The cubic root of 144240105 is about 524.4394379613.

Adding to 144240105 its reverse (501042441), we get a palindrome (645282546).

The spelling of 144240105 in words is "one hundred forty-four million, two hundred forty thousand, one hundred five".