64485115 has 16 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 49397760.

The previous prime is 64485101. The next prime is 64485119. The reversal of 64485115 is 51158446.

It is a de Polignac number, because none of the positive numbers 2^k-64485115 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64485119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12891 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^64485115 is an apocalyptic number.

64485115 is a deficient number, since it is larger than the sum of its proper divisors (16235525).

64485115 is a wasteful number, since it uses less digits than its factorization.

64485115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422.

The product of its digits is 19200, while the sum is 34.

The square root of 64485115 is about 8030.2624490112. The cubic root of 64485115 is about 401.0081133841.

The spelling of 64485115 in words is "sixty-four million, four hundred eighty-five thousand, one hundred fifteen".