147899218 has 36 divisors (see below), whose sum is σ = 244508922. Its totient is φ = 67042560.

The previous prime is 147899209. The next prime is 147899239. The reversal of 147899218 is 812998741.

147899218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 127622209 + 20277009 = 11297^2 + 4503^2 .

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 17 ways as a sum of consecutive naturals, for example, 1872103 + ... + 1872181.

Almost surely, 2^147899218 is an apocalyptic number.

147899218 is a deficient number, since it is larger than the sum of its proper divisors (96609704).

147899218 is an equidigital number, since it uses as much as digits as its factorization.

147899218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 139 counting only the distinct ones).

The product of its digits is 290304, while the sum is 49.

The square root of 147899218 is about 12161.3822405186. The cubic root of 147899218 is about 528.8371538587.

The spelling of 147899218 in words is "one hundred forty-seven million, eight hundred ninety-nine thousand, two hundred eighteen".