144546201225 has 36 divisors (see below), whose sum is σ = 259072781500. Its totient is φ = 77039354880.

The previous prime is 144546201199. The next prime is 144546201227. The reversal of 144546201225 is 522102645441.

144546201225 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 4 + 620 + 1 + 2 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3669088329 + 140877112896 = 60573^2 + 375336^2 .

It is not a de Polignac number, because 144546201225 - 2⁶ = 144546201161 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144546201225.

It is not an unprimeable number, because it can be changed into a prime (144546201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119301 + ... + 550749.

Almost surely, 2^144546201225 is an apocalyptic number.

144546201225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144546201225 is a deficient number, since it is larger than the sum of its proper divisors (114526580275).

144546201225 is a wasteful number, since it uses less digits than its factorization.

144546201225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432954 (or 432946 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 144546201225 its reverse (522102645441), we get a palindrome (666648846666).

The spelling of 144546201225 in words is "one hundred forty-four billion, five hundred forty-six million, two hundred one thousand, two hundred twenty-five".