144531425 has 12 divisors (see below), whose sum is σ = 187011840. Its totient is φ = 110597520.

The previous prime is 144531421. The next prime is 144531449. The reversal of 144531425 is 524135441.

It is not a de Polignac number, because 144531425 - 2² = 144531421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144531421) 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, 125105 + ... + 126254.

It is an arithmetic number, because the mean of its divisors is an integer number (15584320).

Almost surely, 2^144531425 is an apocalyptic number.

It is an amenable number.

144531425 is a deficient number, since it is larger than the sum of its proper divisors (42480415).

144531425 is a wasteful number, since it uses less digits than its factorization.

144531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251392 (or 251387 counting only the distinct ones).

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

The square root of 144531425 is about 12022.1223167958. The cubic root of 144531425 is about 524.7922685339.

Adding to 144531425 its reverse (524135441), we get a palindrome (668666866).

The spelling of 144531425 in words is "one hundred forty-four million, five hundred thirty-one thousand, four hundred twenty-five".