231845832154 has 8 divisors (see below), whose sum is σ = 356250912948. Its totient is φ = 113095527840.

The previous prime is 231845832149. The next prime is 231845832191. The reversal of 231845832154 is 451238548132.

It can be written as a sum of positive squares in 2 ways, for example, as 226173482929 + 5672349225 = 475577^2 + 75315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413694017 + ... + 1413694180.

Almost surely, 2^231845832154 is an apocalyptic number.

231845832154 is a deficient number, since it is larger than the sum of its proper divisors (124405080794).

231845832154 is a wasteful number, since it uses less digits than its factorization.

231845832154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827388240.

The product of its digits is 921600, while the sum is 46.

The spelling of 231845832154 in words is "two hundred thirty-one billion, eight hundred forty-five million, eight hundred thirty-two thousand, one hundred fifty-four".