144121301 has 4 divisors (see below), whose sum is σ = 144151212. Its totient is φ = 144091392.

The previous prime is 144121279. The next prime is 144121303. The reversal of 144121301 is 103121441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22791076 + 121330225 = 4774^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 144121301 - 2²⁶ = 77012437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144121303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900 + ... + 17973.

It is an arithmetic number, because the mean of its divisors is an integer number (36037803).

Almost surely, 2^144121301 is an apocalyptic number.

It is an amenable number.

144121301 is a deficient number, since it is larger than the sum of its proper divisors (29911).

144121301 is an equidigital number, since it uses as much as digits as its factorization.

144121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29910.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 144121301 is about 12005.0531444055. The cubic root of 144121301 is about 524.2954127914.

Adding to 144121301 its reverse (103121441), we get a palindrome (247242742).

The spelling of 144121301 in words is "one hundred forty-four million, one hundred twenty-one thousand, three hundred one".