144786420885461 has 8 divisors (see below), whose sum is σ = 144938375736000. Its totient is φ = 144634539859488.

The previous prime is 144786420885389. The next prime is 144786420885529. The reversal of 144786420885461 is 164588024687441.

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 144786420885461 - 2²² = 144786416691157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144786420885391 and 144786420885400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144786420885661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14531201 + ... + 22376966.

It is an arithmetic number, because the mean of its divisors is an integer number (18117296967000).

Almost surely, 2^{144786420885461} is an apocalyptic number.

It is an amenable number.

144786420885461 is a deficient number, since it is larger than the sum of its proper divisors (151954850539).

144786420885461 is a wasteful number, since it uses less digits than its factorization.

144786420885461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36912283.

The product of its (nonzero) digits is 330301440, while the sum is 68.

The spelling of 144786420885461 in words is "one hundred forty-four trillion, seven hundred eighty-six billion, four hundred twenty million, eight hundred eighty-five thousand, four hundred sixty-one".