82358445 has 32 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 38409984.

The previous prime is 82358431. The next prime is 82358447. The reversal of 82358445 is 54485328.

It is not a de Polignac number, because 82358445 - 2⁷ = 82358317 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82358447) 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 31 ways as a sum of consecutive naturals, for example, 7410 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 2^82358445 is an apocalyptic number.

82358445 is the 7410-th pentagonal number.

It is an amenable number.

82358445 is a deficient number, since it is larger than the sum of its proper divisors (67027155).

82358445 is a wasteful number, since it uses less digits than its factorization.

82358445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22269.

The product of its digits is 153600, while the sum is 39.

The square root of 82358445 is about 9075.1553705708. The cubic root of 82358445 is about 435.0802599958.

The spelling of 82358445 in words is "eighty-two million, three hundred fifty-eight thousand, four hundred forty-five".