144420101 has 12 divisors (see below), whose sum is σ = 171908352. Its totient is φ = 120908088.

The previous prime is 144420091. The next prime is 144420149. The reversal of 144420101 is 101024441.

It is not a de Polignac number, because 144420101 - 2⁶ = 144420037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144420101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144420161) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 32165 + ... + 36378.

It is an arithmetic number, because the mean of its divisors is an integer number (14325696).

Almost surely, 2^144420101 is an apocalyptic number.

It is an amenable number.

144420101 is a deficient number, since it is larger than the sum of its proper divisors (27488251).

144420101 is an equidigital number, since it uses as much as digits as its factorization.

144420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68600 (or 68593 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144420101 is about 12017.4914603673. The cubic root of 144420101 is about 524.6574951203.

Adding to 144420101 its reverse (101024441), we get a palindrome (245444542).

The spelling of 144420101 in words is "one hundred forty-four million, four hundred twenty thousand, one hundred one".