68485145 has 8 divisors (see below), whose sum is σ = 85755456. Its totient is φ = 52405936.

The previous prime is 68485141. The next prime is 68485159. The reversal of 68485145 is 54158486.

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

It is a cyclic number.

It is not a de Polignac number, because 68485145 - 2² = 68485141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68485141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297647 + ... + 297876.

It is an arithmetic number, because the mean of its divisors is an integer number (10719432).

Almost surely, 2^68485145 is an apocalyptic number.

It is an amenable number.

68485145 is a deficient number, since it is larger than the sum of its proper divisors (17270311).

68485145 is a wasteful number, since it uses less digits than its factorization.

68485145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595551.

The product of its digits is 153600, while the sum is 41.

The square root of 68485145 is about 8275.5752065944. The cubic root of 68485145 is about 409.1338944656.

The spelling of 68485145 in words is "sixty-eight million, four hundred eighty-five thousand, one hundred forty-five".