82145634541 has 8 divisors (see below), whose sum is σ = 82223121344. Its totient is φ = 82068180480.

The previous prime is 82145634497. The next prime is 82145634553. The reversal of 82145634541 is 14543654128.

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 82145634541 - 2⁹ = 82145634029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82145694541) 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, 10817656 + ... + 10825246.

It is an arithmetic number, because the mean of its divisors is an integer number (10277890168).

Almost surely, 2^82145634541 is an apocalyptic number.

It is an amenable number.

82145634541 is a deficient number, since it is larger than the sum of its proper divisors (77486803).

82145634541 is a wasteful number, since it uses less digits than its factorization.

82145634541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371.

The product of its digits is 460800, while the sum is 43.

The spelling of 82145634541 in words is "eighty-two billion, one hundred forty-five million, six hundred thirty-four thousand, five hundred forty-one".