82039545 has 48 divisors (see below), whose sum is σ = 166932480. Its totient is φ = 36484992.

The previous prime is 82039523. The next prime is 82039553. The reversal of 82039545 is 54593028.

82039545 is a `hidden beast` number, since 82 + 0 + 39 + 545 = 666.

It is not a de Polignac number, because 82039545 - 2⁵ = 82039513 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8136 + ... + 15174.

It is an arithmetic number, because the mean of its divisors is an integer number (3477760).

Almost surely, 2^82039545 is an apocalyptic number.

It is an amenable number.

82039545 is an abundant number, since it is smaller than the sum of its proper divisors (84892935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82039545 is a wasteful number, since it uses less digits than its factorization.

82039545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 7091 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 82039545 is about 9057.5683822978. The cubic root of 82039545 is about 434.5179757761.

The spelling of 82039545 in words is "eighty-two million, thirty-nine thousand, five hundred forty-five".