147942315856 has 80 divisors (see below), whose sum is σ = 310740468480. Its totient is φ = 67966361600.

The previous prime is 147942315821. The next prime is 147942315893. The reversal of 147942315856 is 658513249741.

It is a junction number, because it is equal to n+sod(n) for n = 147942315797 and 147942315806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5111955 + ... + 5140813.

It is an arithmetic number, because the mean of its divisors is an integer number (3884255856).

Almost surely, 2^147942315856 is an apocalyptic number.

147942315856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147942315856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155370234240).

147942315856 is an abundant number, since it is smaller than the sum of its proper divisors (162798152624).

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

147942315856 is a wasteful number, since it uses less digits than its factorization.

147942315856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29332 (or 29326 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 147942315856 in words is "one hundred forty-seven billion, nine hundred forty-two million, three hundred fifteen thousand, eight hundred fifty-six".