68454245 has 8 divisors (see below), whose sum is σ = 86468640. Its totient is φ = 51881040.

The previous prime is 68454241. The next prime is 68454247. The reversal of 68454245 is 54245486.

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

It is not a de Polignac number, because 68454245 - 2² = 68454241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68454199 and 68454208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68454241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360191 + ... + 360380.

It is an arithmetic number, because the mean of its divisors is an integer number (10808580).

Almost surely, 2^68454245 is an apocalyptic number.

It is an amenable number.

68454245 is a deficient number, since it is larger than the sum of its proper divisors (18014395).

68454245 is a wasteful number, since it uses less digits than its factorization.

68454245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720595.

The product of its digits is 153600, while the sum is 38.

The square root of 68454245 is about 8273.7080562466. The cubic root of 68454245 is about 409.0723524617.

The spelling of 68454245 in words is "sixty-eight million, four hundred fifty-four thousand, two hundred forty-five".