144135425 has 48 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 92093760.

The previous prime is 144135413. The next prime is 144135427. The reversal of 144135425 is 524531441.

It is not a de Polignac number, because 144135425 - 2²⁰ = 143086849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144135427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222452 + ... + 223098.

It is an arithmetic number, because the mean of its divisors is an integer number (4553280).

Almost surely, 2^144135425 is an apocalyptic number.

It is an amenable number.

144135425 is a deficient number, since it is larger than the sum of its proper divisors (74422015).

144135425 is a wasteful number, since it uses less digits than its factorization.

144135425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 745 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 144135425 is about 12005.6413822836. The cubic root of 144135425 is about 524.3125393518.

Adding to 144135425 its reverse (524531441), we get a palindrome (668666866).

The spelling of 144135425 in words is "one hundred forty-four million, one hundred thirty-five thousand, four hundred twenty-five".