144544452261 has 8 divisors (see below), whose sum is σ = 210246476064. Its totient is φ = 87602698320.

The previous prime is 144544452233. The next prime is 144544452281. The reversal of 144544452261 is 162254445441.

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 144544452261 - 2⁷ = 144544452133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144544452281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190067426 + ... + 2190067491.

It is an arithmetic number, because the mean of its divisors is an integer number (26280809508).

Almost surely, 2^144544452261 is an apocalyptic number.

144544452261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144544452261 is a deficient number, since it is larger than the sum of its proper divisors (65702023803).

144544452261 is a wasteful number, since it uses less digits than its factorization.

144544452261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380134931.

The product of its digits is 614400, while the sum is 42.

The spelling of 144544452261 in words is "one hundred forty-four billion, five hundred forty-four million, four hundred fifty-two thousand, two hundred sixty-one".