144430405 has 16 divisors (see below), whose sum is σ = 198322560. Its totient is φ = 98914752.

The previous prime is 144430399. The next prime is 144430439. The reversal of 144430405 is 504034441.

144430405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144430405 - 2³ = 144430397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144430405.

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, 32826 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (12395160).

Almost surely, 2^144430405 is an apocalyptic number.

It is an amenable number.

144430405 is a deficient number, since it is larger than the sum of its proper divisors (53892155).

144430405 is an equidigital number, since it uses as much as digits as its factorization.

144430405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144430405 is about 12017.9201611593. The cubic root of 144430405 is about 524.6699724745.

Adding to 144430405 its reverse (504034441), we get a palindrome (648464846).

The spelling of 144430405 in words is "one hundred forty-four million, four hundred thirty thousand, four hundred five".