144035443256065 has 8 divisors (see below), whose sum is σ = 172842596430120. Its totient is φ = 115228311589632.

The previous prime is 144035443256041. The next prime is 144035443256083. The reversal of 144035443256065 is 560652344530441.

It can be written as a sum of positive squares in 4 ways, for example, as 64234310066161 + 79801133189904 = 8014631^2 + 8933148^2 .

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 144035443256065 - 2⁹ = 144035443255553 is a prime.

It is a super-2 number, since 2×144035443256065² (a number of 29 digits) contains 22 as substring.

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, 22422391 + ... + 28121779.

It is an arithmetic number, because the mean of its divisors is an integer number (21605324553765).

Almost surely, 2^{144035443256065} is an apocalyptic number.

It is an amenable number.

144035443256065 is a deficient number, since it is larger than the sum of its proper divisors (28807153174055).

144035443256065 is an equidigital number, since it uses as much as digits as its factorization.

144035443256065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10753811.

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 144035443256065 in words is "one hundred forty-four trillion, thirty-five billion, four hundred forty-three million, two hundred fifty-six thousand, sixty-five".