144013405 has 8 divisors (see below), whose sum is σ = 176493312. Its totient is φ = 112759248.

The previous prime is 144013403. The next prime is 144013433. The reversal of 144013405 is 504310441.

144013405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144013405 - 2¹ = 144013403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144013403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306177 + ... + 306646.

It is an arithmetic number, because the mean of its divisors is an integer number (22061664).

Almost surely, 2^144013405 is an apocalyptic number.

It is an amenable number.

144013405 is a deficient number, since it is larger than the sum of its proper divisors (32479907).

144013405 is an equidigital number, since it uses as much as digits as its factorization.

144013405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612875.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144013405 is about 12000.5585286686. The cubic root of 144013405 is about 524.1645427067.

Adding to 144013405 its reverse (504310441), we get a palindrome (648323846).

The spelling of 144013405 in words is "one hundred forty-four million, thirteen thousand, four hundred five".