82143495 has 24 divisors (see below), whose sum is σ = 162722976. Its totient is φ = 37551168.

The previous prime is 82143493. The next prime is 82143527. The reversal of 82143495 is 59434128.

It is not a de Polignac number, because 82143495 - 2¹ = 82143493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82143491) 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 23 ways as a sum of consecutive naturals, for example, 130072 + ... + 130701.

It is an arithmetic number, because the mean of its divisors is an integer number (6780124).

Almost surely, 2^82143495 is an apocalyptic number.

82143495 is a deficient number, since it is larger than the sum of its proper divisors (80579481).

82143495 is a wasteful number, since it uses less digits than its factorization.

82143495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260791 (or 260788 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82143495 is about 9063.3048608110. The cubic root of 82143495 is about 434.7014201541.

The spelling of 82143495 in words is "eighty-two million, one hundred forty-three thousand, four hundred ninety-five".