144220366461 has 16 divisors (see below), whose sum is σ = 197634329600. Its totient is φ = 93512987568.

The previous prime is 144220366453. The next prime is 144220366463. The reversal of 144220366461 is 164663022441.

It is not a de Polignac number, because 144220366461 - 2³ = 144220366453 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 (144220366463) 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 15 ways as a sum of consecutive naturals, for example, 4525351 + ... + 4557108.

It is an arithmetic number, because the mean of its divisors is an integer number (12352145600).

Almost surely, 2^144220366461 is an apocalyptic number.

It is an amenable number.

144220366461 is a deficient number, since it is larger than the sum of its proper divisors (53413963139).

144220366461 is an equidigital number, since it uses as much as digits as its factorization.

144220366461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082608.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 144220366461 in words is "one hundred forty-four billion, two hundred twenty million, three hundred sixty-six thousand, four hundred sixty-one".