144773400621 has 8 divisors (see below), whose sum is σ = 193034033920. Its totient is φ = 96514183872.

The previous prime is 144773400619. The next prime is 144773400623. The reversal of 144773400621 is 126004377441.

It is an interprime number because it is at equal distance from previous prime (144773400619) and next prime (144773400623).

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

It is not a de Polignac number, because 144773400621 - 2¹ = 144773400619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144773400621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144773400623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86845 + ... + 545058.

It is an arithmetic number, because the mean of its divisors is an integer number (24129254240).

Almost surely, 2^144773400621 is an apocalyptic number.

It is an amenable number.

144773400621 is a deficient number, since it is larger than the sum of its proper divisors (48260633299).

144773400621 is an equidigital number, since it uses as much as digits as its factorization.

144773400621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708275.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 144773400621 in words is "one hundred forty-four billion, seven hundred seventy-three million, four hundred thousand, six hundred twenty-one".