147281017887744 has 704 divisors, whose sum is σ = 441900263411712. Its totient is φ = 43303934361600.

The previous prime is 147281017887743. The next prime is 147281017887811. The reversal of 147281017887744 is 447788710182741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147281017887743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64967364499 + ... + 64967366765.

Almost surely, 2^{147281017887744} 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 147281017887744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220950131705856).

147281017887744 is an abundant number, since it is smaller than the sum of its proper divisors (294619245523968).

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

147281017887744 is a wasteful number, since it uses less digits than its factorization.

147281017887744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 157351936, while the sum is 69.

The spelling of 147281017887744 in words is "one hundred forty-seven trillion, two hundred eighty-one billion, seventeen million, eight hundred eighty-seven thousand, seven hundred forty-four".