64245163 has 4 divisors (see below), whose sum is σ = 64318968. Its totient is φ = 64171360.

The previous prime is 64245149. The next prime is 64245173. The reversal of 64245163 is 36154246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64245163 - 2¹⁷ = 64114091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64245173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35581 + ... + 37342.

It is an arithmetic number, because the mean of its divisors is an integer number (16079742).

Almost surely, 2^64245163 is an apocalyptic number.

64245163 is a deficient number, since it is larger than the sum of its proper divisors (73805).

64245163 is an equidigital number, since it uses as much as digits as its factorization.

64245163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73804.

The product of its digits is 17280, while the sum is 31.

The square root of 64245163 is about 8015.3080414916. The cubic root of 64245163 is about 400.5101054545.

The spelling of 64245163 in words is "sixty-four million, two hundred forty-five thousand, one hundred sixty-three".