64654146 has 32 divisors (see below), whose sum is σ = 143968320. Its totient is φ = 21507552.

The previous prime is 64654103. The next prime is 64654159. The reversal of 64654146 is 64145646.

64654146 is a `hidden beast` number, since 646 + 5 + 4 + 1 + 4 + 6 = 666.

64654146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64654146.

It is an unprimeable number.

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, 36006 + ... + 37758.

It is an arithmetic number, because the mean of its divisors is an integer number (4499010).

Almost surely, 2^64654146 is an apocalyptic number.

64654146 is an abundant number, since it is smaller than the sum of its proper divisors (79314174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64654146 is a wasteful number, since it uses less digits than its factorization.

64654146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2441 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 64654146 is about 8040.7801860267. The cubic root of 64654146 is about 401.3581872654.

The spelling of 64654146 in words is "sixty-four million, six hundred fifty-four thousand, one hundred forty-six".