147788956 has 24 divisors (see below), whose sum is σ = 312965856. Its totient is φ = 59612160.

The previous prime is 147788947. The next prime is 147789029. The reversal of 147788956 is 659887741.

It is a junction number, because it is equal to n+sod(n) for n = 147788897 and 147788906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154765 + ... + 155716.

It is an arithmetic number, because the mean of its divisors is an integer number (13040244).

Almost surely, 2^147788956 is an apocalyptic number.

It is an amenable number.

147788956 is an abundant number, since it is smaller than the sum of its proper divisors (165176900).

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

147788956 is a wasteful number, since it uses less digits than its factorization.

147788956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310509 (or 310507 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 147788956 is about 12156.8481112499. The cubic root of 147788956 is about 528.7057014195.

The spelling of 147788956 in words is "one hundred forty-seven million, seven hundred eighty-eight thousand, nine hundred fifty-six".