144705245 has 8 divisors (see below), whose sum is σ = 177341184. Its totient is φ = 113300944.

The previous prime is 144705203. The next prime is 144705247. The reversal of 144705245 is 542507441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144705245 - 2¹⁴ = 144688861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144705247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 307649 + ... + 308118.

It is an arithmetic number, because the mean of its divisors is an integer number (22167648).

Almost surely, 2^144705245 is an apocalyptic number.

It is an amenable number.

144705245 is a deficient number, since it is larger than the sum of its proper divisors (32635939).

144705245 is an equidigital number, since it uses as much as digits as its factorization.

144705245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615819.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 144705245 is about 12029.3493173987. The cubic root of 144705245 is about 525.0025638575.

The spelling of 144705245 in words is "one hundred forty-four million, seven hundred five thousand, two hundred forty-five".