45219828 has 24 divisors (see below), whose sum is σ = 107759232. Its totient is φ = 14752384.

The previous prime is 45219827. The next prime is 45219851. The reversal of 45219828 is 82891254.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45219827) 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, 39525 + ... + 40652.

It is an arithmetic number, because the mean of its divisors is an integer number (4489968).

Almost surely, 2^45219828 is an apocalyptic number.

It is an amenable number.

45219828 is an abundant number, since it is smaller than the sum of its proper divisors (62539404).

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

45219828 is a wasteful number, since it uses less digits than its factorization.

45219828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80231 (or 80229 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 45219828 is about 6724.5689824702. The cubic root of 45219828 is about 356.2675785724.

The spelling of 45219828 in words is "forty-five million, two hundred nineteen thousand, eight hundred twenty-eight".