144395605 has 8 divisors (see below), whose sum is σ = 173598264. Its totient is φ = 115300800.

The previous prime is 144395599. The next prime is 144395621. The reversal of 144395605 is 506593441.

144395605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 611524 + 143784081 = 782^2 + 11991^2 .

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

It is not a de Polignac number, because 144395605 - 2⁷ = 144395477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23986 + ... + 29395.

It is an arithmetic number, because the mean of its divisors is an integer number (21699783).

Almost surely, 2^144395605 is an apocalyptic number.

It is an amenable number.

144395605 is a deficient number, since it is larger than the sum of its proper divisors (29202659).

144395605 is an equidigital number, since it uses as much as digits as its factorization.

144395605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53927.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 144395605 is about 12016.4722360600. The cubic root of 144395605 is about 524.6278299591.

The spelling of 144395605 in words is "one hundred forty-four million, three hundred ninety-five thousand, six hundred five".