68045183 has 4 divisors (see below), whose sum is σ = 69884280. Its totient is φ = 66206088.

The previous prime is 68045177. The next prime is 68045191. The reversal of 68045183 is 38154086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68045183 - 2⁸ = 68044927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68045083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919493 + ... + 919566.

It is an arithmetic number, because the mean of its divisors is an integer number (17471070).

Almost surely, 2^68045183 is an apocalyptic number.

68045183 is a deficient number, since it is larger than the sum of its proper divisors (1839097).

68045183 is a wasteful number, since it uses less digits than its factorization.

68045183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839096.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 68045183 is about 8248.9504180835. The cubic root of 68045183 is about 408.2558928343.

The spelling of 68045183 in words is "sixty-eight million, forty-five thousand, one hundred eighty-three".