82145434 has 8 divisors (see below), whose sum is σ = 140820768. Its totient is φ = 35205180.

The previous prime is 82145431. The next prime is 82145461. The reversal of 82145434 is 43454128.

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

It is a junction number, because it is equal to n+sod(n) for n = 82145396 and 82145405.

It is not an unprimeable number, because it can be changed into a prime (82145431) 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 3 ways as a sum of consecutive naturals, for example, 2933752 + ... + 2933779.

It is an arithmetic number, because the mean of its divisors is an integer number (17602596).

Almost surely, 2^82145434 is an apocalyptic number.

82145434 is a deficient number, since it is larger than the sum of its proper divisors (58675334).

82145434 is a wasteful number, since it uses less digits than its factorization.

82145434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867540.

The product of its digits is 15360, while the sum is 31.

The square root of 82145434 is about 9063.4118299899. The cubic root of 82145434 is about 434.7048405078.

The spelling of 82145434 in words is "eighty-two million, one hundred forty-five thousand, four hundred thirty-four".