45200420 has 24 divisors (see below), whose sum is σ = 95379648. Its totient is φ = 17992800.

The previous prime is 45200401. The next prime is 45200453. The reversal of 45200420 is 2400254.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (3974152).

Almost surely, 2^45200420 is an apocalyptic number.

It is an amenable number.

45200420 is an abundant number, since it is smaller than the sum of its proper divisors (50179228).

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

45200420 is a wasteful number, since it uses less digits than its factorization.

45200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10931 (or 10929 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 45200420 is about 6723.1257611322. The cubic root of 45200420 is about 356.2166021836.

Adding to 45200420 its reverse (2400254), we get a palindrome (47600674).

The spelling of 45200420 in words is "forty-five million, two hundred thousand, four hundred twenty".