45650220 has 192 divisors, whose sum is σ = 163924992. Its totient is φ = 9216000.

The previous prime is 45650201. The next prime is 45650233. The reversal of 45650220 is 2205654.

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 63 ways as a sum of consecutive naturals, for example, 189300 + ... + 189540.

It is an arithmetic number, because the mean of its divisors is an integer number (853776).

Almost surely, 2^45650220 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 45650220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81962496).

45650220 is an abundant number, since it is smaller than the sum of its proper divisors (118274772).

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

45650220 is a wasteful number, since it uses less digits than its factorization.

45650220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45650220 is about 6756.4946532947. The cubic root of 45650220 is about 357.3943026242.

Adding to 45650220 its reverse (2205654), we get a palindrome (47855874).

The spelling of 45650220 in words is "forty-five million, six hundred fifty thousand, two hundred twenty".