144345265 has 4 divisors (see below), whose sum is σ = 173214324. Its totient is φ = 115476208.

The previous prime is 144345259. The next prime is 144345277. The reversal of 144345265 is 562543441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49224256 + 95121009 = 7016^2 + 9753^2 .

It is a cyclic number.

It is not a de Polignac number, because 144345265 - 2¹⁷ = 144214193 is a prime.

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 144345265.

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 3 ways as a sum of consecutive naturals, for example, 14434522 + ... + 14434531.

It is an arithmetic number, because the mean of its divisors is an integer number (43303581).

Almost surely, 2^144345265 is an apocalyptic number.

It is an amenable number.

144345265 is a deficient number, since it is larger than the sum of its proper divisors (28869059).

144345265 is an equidigital number, since it uses as much as digits as its factorization.

144345265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28869058.

The product of its digits is 57600, while the sum is 34.

The square root of 144345265 is about 12014.3774287310. The cubic root of 144345265 is about 524.5668566477.

The spelling of 144345265 in words is "one hundred forty-four million, three hundred forty-five thousand, two hundred sixty-five".