65144684 has 12 divisors (see below), whose sum is σ = 124367208. Its totient is φ = 29611200.

The previous prime is 65144669. The next prime is 65144789. The reversal of 65144684 is 48644156.

65144684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 740237 + ... + 740324.

It is an arithmetic number, because the mean of its divisors is an integer number (10363934).

Almost surely, 2^65144684 is an apocalyptic number.

It is an amenable number.

65144684 is a deficient number, since it is larger than the sum of its proper divisors (59222524).

65144684 is a wasteful number, since it uses less digits than its factorization.

65144684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480576 (or 1480574 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 65144684 is about 8071.2256813944. The cubic root of 65144684 is about 402.3706802637.

The spelling of 65144684 in words is "sixty-five million, one hundred forty-four thousand, six hundred eighty-four".