82858142 has 4 divisors (see below), whose sum is σ = 124287216. Its totient is φ = 41429070.

The previous prime is 82858129. The next prime is 82858147. The reversal of 82858142 is 24185828.

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

It is a junction number, because it is equal to n+sod(n) for n = 82858096 and 82858105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82858147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20714534 + ... + 20714537.

It is an arithmetic number, because the mean of its divisors is an integer number (31071804).

Almost surely, 2^82858142 is an apocalyptic number.

82858142 is a deficient number, since it is larger than the sum of its proper divisors (41429074).

82858142 is a wasteful number, since it uses less digits than its factorization.

82858142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41429073.

The product of its digits is 40960, while the sum is 38.

The square root of 82858142 is about 9102.6447805020. The cubic root of 82858142 is about 435.9584135349.

The spelling of 82858142 in words is "eighty-two million, eight hundred fifty-eight thousand, one hundred forty-two".