144241521 has 12 divisors (see below), whose sum is σ = 202978512. Its totient is φ = 91099224.

The previous prime is 144241511. The next prime is 144241523. The reversal of 144241521 is 125142441.

144241521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144241521 - 2¹⁰ = 144240497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144241491 and 144241500.

It is not an unprimeable number, because it can be changed into a prime (144241523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65511 + ... + 67676.

It is an arithmetic number, because the mean of its divisors is an integer number (16914876).

Almost surely, 2^144241521 is an apocalyptic number.

It is an amenable number.

144241521 is a deficient number, since it is larger than the sum of its proper divisors (58736991).

144241521 is a wasteful number, since it uses less digits than its factorization.

144241521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133228 (or 133209 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 144241521 is about 12010.0591588884. The cubic root of 144241521 is about 524.4411540901.

Adding to 144241521 its reverse (125142441), we get a palindrome (269383962).

The spelling of 144241521 in words is "one hundred forty-four million, two hundred forty-one thousand, five hundred twenty-one".