147806219 has 8 divisors (see below), whose sum is σ = 162577200. Its totient is φ = 134368080.

The previous prime is 147806213. The next prime is 147806249. The reversal of 147806219 is 912608741.

It is not a de Polignac number, because 147806219 - 2⁸ = 147805963 is a prime.

It is a super-2 number, since 2×147806219² = 43693356750151922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147806213) by changing a digit.

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, 54194 + ... + 56855.

It is an arithmetic number, because the mean of its divisors is an integer number (20322150).

Almost surely, 2^147806219 is an apocalyptic number.

147806219 is a deficient number, since it is larger than the sum of its proper divisors (14770981).

147806219 is an equidigital number, since it uses as much as digits as its factorization.

147806219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111082 (or 111060 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 147806219 is about 12157.5581018558. The cubic root of 147806219 is about 528.7262863838.

The spelling of 147806219 in words is "one hundred forty-seven million, eight hundred six thousand, two hundred nineteen".