147181547228 has 24 divisors (see below), whose sum is σ = 259458810240. Its totient is φ = 73050614640.

The previous prime is 147181547221. The next prime is 147181547251. The reversal of 147181547228 is 822745181741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147181547221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4879433 + ... + 4909503.

It is an arithmetic number, because the mean of its divisors is an integer number (10810783760).

Almost surely, 2^147181547228 is an apocalyptic number.

It is an amenable number.

147181547228 is a deficient number, since it is larger than the sum of its proper divisors (112277263012).

147181547228 is a wasteful number, since it uses less digits than its factorization.

147181547228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39017 (or 39015 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 50.

The spelling of 147181547228 in words is "one hundred forty-seven billion, one hundred eighty-one million, five hundred forty-seven thousand, two hundred twenty-eight".