152238309218 has 6 divisors (see below), whose sum is σ = 228358291521. Its totient is φ = 76118878712.

The previous prime is 152238309217. The next prime is 152238309283. The reversal of 152238309218 is 812903832251.

152238309218 is digitally balanced in base 2, 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 2 ways, for example, as 148823893729 + 3414415489 = 385777^2 + 58433^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=275897.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152238309217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 413846 + ... + 689742.

Almost surely, 2^152238309218 is an apocalyptic number.

152238309218 is a deficient number, since it is larger than the sum of its proper divisors (76119982303).

152238309218 is an frugal number, since it uses more digits than its factorization.

152238309218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551796 (or 275899 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 152238309218 in words is "one hundred fifty-two billion, two hundred thirty-eight million, three hundred nine thousand, two hundred eighteen".