147847128 has 128 divisors (see below), whose sum is σ = 453358080. Its totient is φ = 39536640.

The previous prime is 147847111. The next prime is 147847199. The reversal of 147847128 is 821748741.

It is a self number, because there is not a number n which added to its sum of digits gives 147847128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78000 + ... + 79872.

It is an arithmetic number, because the mean of its divisors is an integer number (3541860).

Almost surely, 2^147847128 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 147847128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226679040).

147847128 is an abundant number, since it is smaller than the sum of its proper divisors (305510952).

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

147847128 is a wasteful number, since it uses less digits than its factorization.

147847128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1925 counting only the distinct ones).

The product of its digits is 100352, while the sum is 42.

The square root of 147847128 is about 12159.2404368036. The cubic root of 147847128 is about 528.7750612112.

It can be divided in two parts, 14784 and 7128, that added together give a palindrome (21912).

The spelling of 147847128 in words is "one hundred forty-seven million, eight hundred forty-seven thousand, one hundred twenty-eight".