144425525 has 6 divisors (see below), whose sum is σ = 179087682. Its totient is φ = 115540400.

The previous prime is 144425521. The next prime is 144425527. The reversal of 144425525 is 525524441.

It can be written as a sum of positive squares in 3 ways, for example, as 2553604 + 141871921 = 1598^2 + 11911^2 .

It is not a de Polignac number, because 144425525 - 2² = 144425521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144425491 and 144425500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144425521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2888486 + ... + 2888535.

It is an arithmetic number, because the mean of its divisors is an integer number (29847947).

Almost surely, 2^144425525 is an apocalyptic number.

It is an amenable number.

144425525 is a deficient number, since it is larger than the sum of its proper divisors (34662157).

144425525 is an equidigital number, since it uses as much as digits as its factorization.

144425525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777031 (or 5777026 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 144425525 is about 12017.7171293054. The cubic root of 144425525 is about 524.6640632425.

Adding to 144425525 its reverse (525524441), we get a palindrome (669949966).

The spelling of 144425525 in words is "one hundred forty-four million, four hundred twenty-five thousand, five hundred twenty-five".