144565213565 has 8 divisors (see below), whose sum is σ = 174036066048. Its totient is φ = 115280297680.

The previous prime is 144565213561. The next prime is 144565213571. The reversal of 144565213565 is 565312565441.

It is a happy number.

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

It is not a de Polignac number, because 144565213565 - 2² = 144565213561 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 (144565213561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46482437 + ... + 46485546.

It is an arithmetic number, because the mean of its divisors is an integer number (21754508256).

Almost surely, 2^144565213565 is an apocalyptic number.

It is an amenable number.

144565213565 is a deficient number, since it is larger than the sum of its proper divisors (29470852483).

144565213565 is an equidigital number, since it uses as much as digits as its factorization.

144565213565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92968299.

The product of its digits is 2160000, while the sum is 47.

The spelling of 144565213565 in words is "one hundred forty-four billion, five hundred sixty-five million, two hundred thirteen thousand, five hundred sixty-five".