64454115 has 32 divisors (see below), whose sum is σ = 116140032. Its totient is φ = 30240000.

The previous prime is 64454107. The next prime is 64454147. The reversal of 64454115 is 51145446.

It is not a de Polignac number, because 64454115 - 2³ = 64454107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (3629376).

Almost surely, 2^64454115 is an apocalyptic number.

64454115 is a deficient number, since it is larger than the sum of its proper divisors (51685917).

64454115 is a wasteful number, since it uses less digits than its factorization.

64454115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651.

The product of its digits is 9600, while the sum is 30.

The square root of 64454115 is about 8028.3320185453. The cubic root of 64454115 is about 400.9438440609.

The spelling of 64454115 in words is "sixty-four million, four hundred fifty-four thousand, one hundred fifteen".