82146445 has 8 divisors (see below), whose sum is σ = 98807040. Its totient is φ = 65562960.

The previous prime is 82146419. The next prime is 82146461. The reversal of 82146445 is 54464128.

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

It is not a de Polignac number, because 82146445 - 2²³ = 73757837 is a prime.

It is a super-2 number, since 2×82146445² = 13496076852276050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82146445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16905 + ... + 21214.

It is an arithmetic number, because the mean of its divisors is an integer number (12350880).

Almost surely, 2^82146445 is an apocalyptic number.

It is an amenable number.

82146445 is a deficient number, since it is larger than the sum of its proper divisors (16660595).

82146445 is a wasteful number, since it uses less digits than its factorization.

82146445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38555.

The product of its digits is 30720, while the sum is 34.

The square root of 82146445 is about 9063.4676035169. The cubic root of 82146445 is about 434.7066238684.

The spelling of 82146445 in words is "eighty-two million, one hundred forty-six thousand, four hundred forty-five".