144141521 has 8 divisors (see below), whose sum is σ = 152800200. Its totient is φ = 135502848.

The previous prime is 144141499. The next prime is 144141523. The reversal of 144141521 is 125141441.

144141521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26635921 + 117505600 = 5161^2 + 10840^2 .

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 144141521 - 2¹⁰ = 144140497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144141523) 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, 11405 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (19100025).

Almost surely, 2^144141521 is an apocalyptic number.

It is an amenable number.

144141521 is a deficient number, since it is larger than the sum of its proper divisors (8658679).

144141521 is an equidigital number, since it uses as much as digits as its factorization.

144141521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003.

The product of its digits is 640, while the sum is 23.

The square root of 144141521 is about 12005.8952602461. The cubic root of 144141521 is about 524.3199309286.

Adding to 144141521 its reverse (125141441), we get a palindrome (269282962).

The spelling of 144141521 in words is "one hundred forty-four million, one hundred forty-one thousand, five hundred twenty-one".