144289025 has 12 divisors (see below), whose sum is σ = 180931500. Its totient is φ = 114132480.

The previous prime is 144289009. The next prime is 144289031. The reversal of 144289025 is 520982441.

It can be written as a sum of positive squares in 6 ways, for example, as 16056049 + 128232976 = 4007^2 + 11324^2 .

It is not a de Polignac number, because 144289025 - 2⁴ = 144289009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30200 + ... + 34649.

It is an arithmetic number, because the mean of its divisors is an integer number (15077625).

Almost surely, 2^144289025 is an apocalyptic number.

It is an amenable number.

144289025 is a deficient number, since it is larger than the sum of its proper divisors (36642475).

144289025 is an equidigital number, since it uses as much as digits as its factorization.

144289025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64948 (or 64943 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 144289025 is about 12012.0366716057. The cubic root of 144289025 is about 524.4987203119.

The spelling of 144289025 in words is "one hundred forty-four million, two hundred eighty-nine thousand, twenty-five".