144632225 has 12 divisors (see below), whose sum is σ = 180155136. Its totient is φ = 115182480.

The previous prime is 144632197. The next prime is 144632227. The reversal of 144632225 is 522236441.

144632225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144632225 - 2¹⁸ = 144370081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144632227) 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, 7397 + ... + 18546.

It is an arithmetic number, because the mean of its divisors is an integer number (15012928).

Almost surely, 2^144632225 is an apocalyptic number.

It is an amenable number.

144632225 is a deficient number, since it is larger than the sum of its proper divisors (35522911).

144632225 is a wasteful number, since it uses less digits than its factorization.

144632225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26176 (or 26171 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 144632225 is about 12026.3138575376. The cubic root of 144632225 is about 524.9142414721.

Adding to 144632225 its reverse (522236441), we get a palindrome (666868666).

The spelling of 144632225 in words is "one hundred forty-four million, six hundred thirty-two thousand, two hundred twenty-five".