144013401 has 18 divisors (see below), whose sum is σ = 241982442. Its totient is φ = 82293120.

The previous prime is 144013379. The next prime is 144013403. The reversal of 144013401 is 104310441.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 13505625 = 11424^2 + 3675^2 .

It is not a de Polignac number, because 144013401 - 2⁹ = 144012889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144013403) 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 17 ways as a sum of consecutive naturals, for example, 162840 + ... + 163721.

It is an arithmetic number, because the mean of its divisors is an integer number (13443469).

Almost surely, 2^144013401 is an apocalyptic number.

It is an amenable number.

144013401 is a deficient number, since it is larger than the sum of its proper divisors (97969041).

144013401 is a wasteful number, since it uses less digits than its factorization.

144013401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326581 (or 326571 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144013401 is about 12000.5583620097. The cubic root of 144013401 is about 524.1645378538.

Adding to 144013401 its reverse (104310441), we get a palindrome (248323842).

It can be divided in two parts, 1440 and 13401, that added together give a palindrome (14841).

The spelling of 144013401 in words is "one hundred forty-four million, thirteen thousand, four hundred one".