45810828 has 36 divisors (see below), whose sum is σ = 132343120. Its totient is φ = 13088736.

The previous prime is 45810823. The next prime is 45810841. The reversal of 45810828 is 82801854.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45810792 and 45810801.

It is not an unprimeable number, because it can be changed into a prime (45810823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90643 + ... + 91146.

Almost surely, 2^45810828 is an apocalyptic number.

It is an amenable number.

45810828 is an abundant number, since it is smaller than the sum of its proper divisors (86532292).

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

45810828 is a wasteful number, since it uses less digits than its factorization.

45810828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181806 (or 181801 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 45810828 is about 6768.3696707553. The cubic root of 45810828 is about 357.8129439034.

The spelling of 45810828 in words is "forty-five million, eight hundred ten thousand, eight hundred twenty-eight".