68455115 has 8 divisors (see below), whose sum is σ = 83493168. Its totient is φ = 53866080.

The previous prime is 68455087. The next prime is 68455129. The reversal of 68455115 is 51155486.

It is a happy number.

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

It is not a de Polignac number, because 68455115 - 2²⁰ = 67406539 is a prime.

It is a super-2 number, since 2×68455115² = 9372205539326450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 111917 + ... + 112526.

It is an arithmetic number, because the mean of its divisors is an integer number (10436646).

Almost surely, 2^68455115 is an apocalyptic number.

68455115 is a deficient number, since it is larger than the sum of its proper divisors (15038053).

68455115 is a wasteful number, since it uses less digits than its factorization.

68455115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224509.

The product of its digits is 24000, while the sum is 35.

The square root of 68455115 is about 8273.7606322639. The cubic root of 68455115 is about 409.0740854511.

The spelling of 68455115 in words is "sixty-eight million, four hundred fifty-five thousand, one hundred fifteen".