82412143 has 8 divisors (see below), whose sum is σ = 90701136. Its totient is φ = 74256000.

The previous prime is 82412129. The next prime is 82412179. The reversal of 82412143 is 34121428.

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

It is a cyclic number.

It is not a de Polignac number, because 82412143 - 2²¹ = 80314991 is a prime.

It is a super-2 number, since 2×82412143² = 13583522627704898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82413143) 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, 31908 + ... + 34393.

It is an arithmetic number, because the mean of its divisors is an integer number (11337642).

Almost surely, 2^82412143 is an apocalyptic number.

82412143 is a deficient number, since it is larger than the sum of its proper divisors (8288993).

82412143 is a wasteful number, since it uses less digits than its factorization.

82412143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66425.

The product of its digits is 1536, while the sum is 25.

The square root of 82412143 is about 9078.1134053282. The cubic root of 82412143 is about 435.1747974132.

The spelling of 82412143 in words is "eighty-two million, four hundred twelve thousand, one hundred forty-three".