144503226636 has 96 divisors (see below), whose sum is σ = 352235520000. Its totient is φ = 46051111680.

The previous prime is 144503226619. The next prime is 144503226689. The reversal of 144503226636 is 636622305441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14817490 + ... + 14827238.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120000).

Almost surely, 2^144503226636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144503226636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176117760000).

144503226636 is an abundant number, since it is smaller than the sum of its proper divisors (207732293364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144503226636 is a wasteful number, since it uses less digits than its factorization.

144503226636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 144503226636 in words is "one hundred forty-four billion, five hundred three million, two hundred twenty-six thousand, six hundred thirty-six".