45084820 has 24 divisors (see below), whose sum is σ = 103285728. Its totient is φ = 16394400.

The previous prime is 45084817. The next prime is 45084839. The reversal of 45084820 is 2848054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102246 + ... + 102685.

It is an arithmetic number, because the mean of its divisors is an integer number (4303572).

Almost surely, 2^45084820 is an apocalyptic number.

It is an amenable number.

45084820 is an abundant number, since it is smaller than the sum of its proper divisors (58200908).

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

45084820 is a wasteful number, since it uses less digits than its factorization.

45084820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204951 (or 204949 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 45084820 is about 6714.5230657136. The cubic root of 45084820 is about 355.9126684742.

The spelling of 45084820 in words is "forty-five million, eighty-four thousand, eight hundred twenty".