64865445 has 8 divisors (see below), whose sum is σ = 103784736. Its totient is φ = 34594896.

The previous prime is 64865419. The next prime is 64865459. The reversal of 64865445 is 54456846.

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

It is not a de Polignac number, because 64865445 - 2¹⁶ = 64799909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64865397 and 64865406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162167 + ... + 2162196.

It is an arithmetic number, because the mean of its divisors is an integer number (12973092).

Almost surely, 2^64865445 is an apocalyptic number.

It is an amenable number.

64865445 is a deficient number, since it is larger than the sum of its proper divisors (38919291).

64865445 is a wasteful number, since it uses less digits than its factorization.

64865445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324371.

The product of its digits is 460800, while the sum is 42.

The square root of 64865445 is about 8053.9086783996. The cubic root of 64865445 is about 401.7949438106.

The spelling of 64865445 in words is "sixty-four million, eight hundred sixty-five thousand, four hundred forty-five".