144305125 has 16 divisors (see below), whose sum is σ = 180473904. Its totient is φ = 115200000.

The previous prime is 144305123. The next prime is 144305141. The reversal of 144305125 is 521503441.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 43322724 + 100982401 = 6582^2 + 10049^2 .

It is not a de Polignac number, because 144305125 - 2¹ = 144305123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144305125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144305123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79225 + ... + 81025.

It is an arithmetic number, because the mean of its divisors is an integer number (11279619).

Almost surely, 2^144305125 is an apocalyptic number.

It is an amenable number.

144305125 is a deficient number, since it is larger than the sum of its proper divisors (36168779).

144305125 is an equidigital number, since it uses as much as digits as its factorization.

144305125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 144305125 is about 12012.7068140365. The cubic root of 144305125 is about 524.5182277215.

Adding to 144305125 its reverse (521503441), we get a palindrome (665808566).

The spelling of 144305125 in words is "one hundred forty-four million, three hundred five thousand, one hundred twenty-five".