65832145 has 4 divisors (see below), whose sum is σ = 78998580. Its totient is φ = 52665712.

The previous prime is 65832121. The next prime is 65832149. The reversal of 65832145 is 54123856.

65832145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 52171729 = 3696^2 + 7223^2 .

It is a cyclic number.

It is not a de Polignac number, because 65832145 - 2⁵ = 65832113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 65832145.

It is not an unprimeable number, because it can be changed into a prime (65832149) 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 3 ways as a sum of consecutive naturals, for example, 6583210 + ... + 6583219.

It is an arithmetic number, because the mean of its divisors is an integer number (19749645).

Almost surely, 2^65832145 is an apocalyptic number.

It is an amenable number.

65832145 is a deficient number, since it is larger than the sum of its proper divisors (13166435).

65832145 is a wasteful number, since it uses less digits than its factorization.

65832145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166434.

The product of its digits is 28800, while the sum is 34.

The square root of 65832145 is about 8113.7010667143. The cubic root of 65832145 is about 403.7811140703.

The spelling of 65832145 in words is "sixty-five million, eight hundred thirty-two thousand, one hundred forty-five".