144523413225 has 72 divisors (see below), whose sum is σ = 260993610072. Its totient is φ = 76444185600.

The previous prime is 144523413169. The next prime is 144523413283. The reversal of 144523413225 is 522314325441.

It is a happy number.

144523413225 is a `hidden beast` number, since 1 + 44 + 52 + 341 + 3 + 225 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 90295442064 + 54227971161 = 300492^2 + 232869^2 .

It is not a de Polignac number, because 144523413225 - 2¹¹ = 144523411177 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 144523413225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53664979 + ... + 53667671.

It is an arithmetic number, because the mean of its divisors is an integer number (3624911251).

Almost surely, 2^144523413225 is an apocalyptic number.

144523413225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144523413225 is a deficient number, since it is larger than the sum of its proper divisors (116470196847).

144523413225 is a wasteful number, since it uses less digits than its factorization.

144523413225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4579 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 144523413225 its reverse (522314325441), we get a palindrome (666837738666).

The spelling of 144523413225 in words is "one hundred forty-four billion, five hundred twenty-three million, four hundred thirteen thousand, two hundred twenty-five".