144801725 has 6 divisors (see below), whose sum is σ = 179554170. Its totient is φ = 115841360.

The previous prime is 144801719. The next prime is 144801737. The reversal of 144801725 is 527108441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3976036 + 140825689 = 1994^2 + 11867^2 .

It is not a de Polignac number, because 144801725 - 2¹⁸ = 144539581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144801691 and 144801700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2896010 + ... + 2896059.

It is an arithmetic number, because the mean of its divisors is an integer number (29925695).

Almost surely, 2^144801725 is an apocalyptic number.

It is an amenable number.

144801725 is a deficient number, since it is larger than the sum of its proper divisors (34752445).

144801725 is an equidigital number, since it uses as much as digits as its factorization.

144801725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792079 (or 5792074 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 144801725 is about 12033.3588411549. The cubic root of 144801725 is about 525.1192170682.

The spelling of 144801725 in words is "one hundred forty-four million, eight hundred one thousand, seven hundred twenty-five".