234042232432545 has 20 divisors (see below), whose sum is σ = 419542372213140. Its totient is φ = 124822523963808.

The previous prime is 234042232432523. The next prime is 234042232432583. The reversal of 234042232432545 is 545234232240432.

234042232432545 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 42 + 2 + 32 + 4 + 32 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135197198169489 + 98845034263056 = 11627433^2 + 9942084^2 .

It is not a de Polignac number, because 234042232432545 - 2⁷ = 234042232432417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234042232432545.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 288941027290 + ... + 288941028099.

It is an arithmetic number, because the mean of its divisors is an integer number (20977118610657).

Almost surely, 2^{234042232432545} is an apocalyptic number.

It is an amenable number.

234042232432545 is a deficient number, since it is larger than the sum of its proper divisors (185500139780595).

234042232432545 is an equidigital number, since it uses as much as digits as its factorization.

234042232432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577882055406 (or 577882055397 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 45.

Adding to 234042232432545 its reverse (545234232240432), we get a palindrome (779276464672977).

The spelling of 234042232432545 in words is "two hundred thirty-four trillion, forty-two billion, two hundred thirty-two million, four hundred thirty-two thousand, five hundred forty-five".