144506653236461 has 4 divisors (see below), whose sum is σ = 144506679832032. Its totient is φ = 144506626640892.

The previous prime is 144506653236437. The next prime is 144506653236493. The reversal of 144506653236461 is 164632356605441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144506653236461 - 2²² = 144506649042157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144506653236397 and 144506653236406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144506653236661) 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 3 ways as a sum of consecutive naturals, for example, 1879295 + ... + 17103948.

It is an arithmetic number, because the mean of its divisors is an integer number (36126669958008).

Almost surely, 2^{144506653236461} is an apocalyptic number.

It is an amenable number.

144506653236461 is a deficient number, since it is larger than the sum of its proper divisors (26595571).

144506653236461 is an equidigital number, since it uses as much as digits as its factorization.

144506653236461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26595570.

The product of its (nonzero) digits is 37324800, while the sum is 56.

The spelling of 144506653236461 in words is "one hundred forty-four trillion, five hundred six billion, six hundred fifty-three million, two hundred thirty-six thousand, four hundred sixty-one".