144530423261 has 8 divisors (see below), whose sum is σ = 167885457024. Its totient is φ = 121852347120.

The previous prime is 144530423243. The next prime is 144530423267. The reversal of 144530423261 is 162324035441.

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

It is not a de Polignac number, because 144530423261 - 2¹⁰ = 144530422237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144530423267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169238945 + ... + 169239798.

It is an arithmetic number, because the mean of its divisors is an integer number (20985682128).

Almost surely, 2^144530423261 is an apocalyptic number.

It is an amenable number.

144530423261 is a deficient number, since it is larger than the sum of its proper divisors (23355033763).

144530423261 is an equidigital number, since it uses as much as digits as its factorization.

144530423261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338478811.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 144530423261 in words is "one hundred forty-four billion, five hundred thirty million, four hundred twenty-three thousand, two hundred sixty-one".