147228718 has 32 divisors (see below), whose sum is σ = 276433920. Its totient is φ = 57252960.

The previous prime is 147228707. The next prime is 147228751. The reversal of 147228718 is 817822741.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3883 + ... + 17593.

It is an arithmetic number, because the mean of its divisors is an integer number (8638560).

Almost surely, 2^147228718 is an apocalyptic number.

147228718 is a deficient number, since it is larger than the sum of its proper divisors (129205202).

147228718 is a wasteful number, since it uses less digits than its factorization.

147228718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13792.

The product of its digits is 50176, while the sum is 40.

The square root of 147228718 is about 12133.7841582913. The cubic root of 147228718 is about 528.0367833840.

The spelling of 147228718 in words is "one hundred forty-seven million, two hundred twenty-eight thousand, seven hundred eighteen".