144441525 has 24 divisors (see below), whose sum is σ = 245269024. Its totient is φ = 74952000.

The previous prime is 144441509. The next prime is 144441559. The reversal of 144441525 is 525144441.

It is not a de Polignac number, because 144441525 - 2⁴ = 144441509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144441492 and 144441501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23251 + ... + 28800.

Almost surely, 2^144441525 is an apocalyptic number.

144441525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144441525 is a deficient number, since it is larger than the sum of its proper divisors (100827499).

144441525 is a wasteful number, since it uses less digits than its factorization.

144441525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52101 (or 52096 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 144441525 is about 12018.3827947025. The cubic root of 144441525 is about 524.6834372764.

Adding to 144441525 its reverse (525144441), we get a palindrome (669585966).

The spelling of 144441525 in words is "one hundred forty-four million, four hundred forty-one thousand, five hundred twenty-five".