64489245 has 16 divisors (see below), whose sum is σ = 109252800. Its totient is φ = 32370944.

The previous prime is 64489241. The next prime is 64489247. The reversal of 64489245 is 54298446.

64489245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64489245 - 2² = 64489241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64489197 and 64489206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64489241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126195 + ... + 126704.

It is an arithmetic number, because the mean of its divisors is an integer number (6828300).

Almost surely, 2^64489245 is an apocalyptic number.

It is an amenable number.

64489245 is a deficient number, since it is larger than the sum of its proper divisors (44763555).

64489245 is a wasteful number, since it uses less digits than its factorization.

64489245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252924.

The product of its digits is 276480, while the sum is 42.

The square root of 64489245 is about 8030.5195971369. The cubic root of 64489245 is about 401.0166741615.

The spelling of 64489245 in words is "sixty-four million, four hundred eighty-nine thousand, two hundred forty-five".