144622555061 has 4 divisors (see below), whose sum is σ = 144624325452. Its totient is φ = 144620784672.

The previous prime is 144622555003. The next prime is 144622555079. The reversal of 144622555061 is 160555226441.

144622555061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160555226441 = 15797 ⋅10163653.

It can be written as a sum of positive squares in 2 ways, for example, as 74712022225 + 69910532836 = 273335^2 + 264406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144622555061 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 (144622585061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756416 + ... + 928121.

It is an arithmetic number, because the mean of its divisors is an integer number (36156081363).

Almost surely, 2^144622555061 is an apocalyptic number.

It is an amenable number.

144622555061 is a deficient number, since it is larger than the sum of its proper divisors (1770391).

144622555061 is an equidigital number, since it uses as much as digits as its factorization.

144622555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770390.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 144622555061 in words is "one hundred forty-four billion, six hundred twenty-two million, five hundred fifty-five thousand, sixty-one".