82488645 has 16 divisors (see below), whose sum is σ = 146646720. Its totient is φ = 43993872.

The previous prime is 82488643. The next prime is 82488647. The reversal of 82488645 is 54688428.

It is an interprime number because it is at equal distance from previous prime (82488643) and next prime (82488647).

It is not a de Polignac number, because 82488645 - 2¹ = 82488643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 82488645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82488643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305379 + ... + 305648.

It is an arithmetic number, because the mean of its divisors is an integer number (9165420).

Almost surely, 2^82488645 is an apocalyptic number.

It is an amenable number.

82488645 is a deficient number, since it is larger than the sum of its proper divisors (64158075).

82488645 is a wasteful number, since it uses less digits than its factorization.

82488645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611041 (or 611035 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 82488645 is about 9082.3259686052. The cubic root of 82488645 is about 435.3094112578.

The spelling of 82488645 in words is "eighty-two million, four hundred eighty-eight thousand, six hundred forty-five".