144121013 has 8 divisors (see below), whose sum is σ = 151171008. Its totient is φ = 137136384.

The previous prime is 144121009. The next prime is 144121037. The reversal of 144121013 is 310121441.

It is a happy number.

144121013 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 144121013 - 2² = 144121009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144120982 and 144121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144121093) 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, 11795 + ... + 20672.

It is an arithmetic number, because the mean of its divisors is an integer number (18896376).

Almost surely, 2^144121013 is an apocalyptic number.

It is an amenable number.

144121013 is a deficient number, since it is larger than the sum of its proper divisors (7049995).

144121013 is a wasteful number, since it uses less digits than its factorization.

144121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32683.

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

The square root of 144121013 is about 12005.0411494505. The cubic root of 144121013 is about 524.2950635550.

Adding to 144121013 its reverse (310121441), we get a palindrome (454242454).

The spelling of 144121013 in words is "one hundred forty-four million, one hundred twenty-one thousand, thirteen".