45204620 has 48 divisors (see below), whose sum is σ = 99943200. Its totient is φ = 17149440.

The previous prime is 45204583. The next prime is 45204623. The reversal of 45204620 is 2640254.

It is not an unprimeable number, because it can be changed into a prime (45204623) 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 15 ways as a sum of consecutive naturals, for example, 33560 + ... + 34880.

It is an arithmetic number, because the mean of its divisors is an integer number (2082150).

Almost surely, 2^45204620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45204620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49971600).

45204620 is an abundant number, since it is smaller than the sum of its proper divisors (54738580).

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

45204620 is a wasteful number, since it uses less digits than its factorization.

45204620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45204620 is about 6723.4381085870. The cubic root of 45204620 is about 356.2276349969.

Adding to 45204620 its reverse (2640254), we get a palindrome (47844874).

The spelling of 45204620 in words is "forty-five million, two hundred four thousand, six hundred twenty".