65143782 has 24 divisors (see below), whose sum is σ = 153976680. Its totient is φ = 19740480.

The previous prime is 65143759. The next prime is 65143789. The reversal of 65143782 is 28734156.

65143782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65143789) 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 11 ways as a sum of consecutive naturals, for example, 164307 + ... + 164702.

It is an arithmetic number, because the mean of its divisors is an integer number (6415695).

Almost surely, 2^65143782 is an apocalyptic number.

65143782 is an abundant number, since it is smaller than the sum of its proper divisors (88832898).

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

65143782 is a wasteful number, since it uses less digits than its factorization.

65143782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329028 (or 329025 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 65143782 is about 8071.1698036902. The cubic root of 65143782 is about 402.3688231665.

It can be divided in two parts, 6514 and 3782, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 65143782 in words is "sixty-five million, one hundred forty-three thousand, seven hundred eighty-two".