82106143 has 8 divisors (see below), whose sum is σ = 93959712. Its totient is φ = 70283616.

The previous prime is 82106137. The next prime is 82106153. The reversal of 82106143 is 34160128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82106143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82106153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 12937.

It is an arithmetic number, because the mean of its divisors is an integer number (11744964).

Almost surely, 2^82106143 is an apocalyptic number.

82106143 is a deficient number, since it is larger than the sum of its proper divisors (11853569).

82106143 is a wasteful number, since it uses less digits than its factorization.

82106143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 82106143 is about 9061.2440095166. The cubic root of 82106143 is about 434.6355215331.

The spelling of 82106143 in words is "eighty-two million, one hundred six thousand, one hundred forty-three".