64854845 has 8 divisors (see below), whose sum is σ = 84900960. Its totient is φ = 47167120.

The previous prime is 64854799. The next prime is 64854893. The reversal of 64854845 is 54845846.

It is a happy number.

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

It is not a de Polignac number, because 64854845 - 2²⁰ = 63806269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64854796 and 64854805.

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, 589535 + ... + 589644.

It is an arithmetic number, because the mean of its divisors is an integer number (10612620).

Almost surely, 2^64854845 is an apocalyptic number.

It is an amenable number.

64854845 is a deficient number, since it is larger than the sum of its proper divisors (20046115).

64854845 is a wasteful number, since it uses less digits than its factorization.

64854845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179195.

The product of its digits is 614400, while the sum is 44.

The square root of 64854845 is about 8053.2505859435. The cubic root of 64854845 is about 401.7730561505.

The spelling of 64854845 in words is "sixty-four million, eight hundred fifty-four thousand, eight hundred forty-five".