82945452 has 96 divisors (see below), whose sum is σ = 214663680. Its totient is φ = 24837120.

The previous prime is 82945427. The next prime is 82945483. The reversal of 82945452 is 25454928.

It is a self number, because there is not a number n which added to its sum of digits gives 82945452.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344052 + ... + 344292.

It is an arithmetic number, because the mean of its divisors is an integer number (2236080).

Almost surely, 2^82945452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82945452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107331840).

82945452 is an abundant number, since it is smaller than the sum of its proper divisors (131718228).

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

82945452 is a wasteful number, since it uses less digits than its factorization.

82945452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 341 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 82945452 is about 9107.4393766854. The cubic root of 82945452 is about 436.1114870750. Note that the first 3 decimals are identical.

The spelling of 82945452 in words is "eighty-two million, nine hundred forty-five thousand, four hundred fifty-two".