45212200 has 48 divisors (see below), whose sum is σ = 114680160. Its totient is φ = 16440000.

The previous prime is 45212179. The next prime is 45212201. The reversal of 45212200 is 221254.

It is not an unprimeable number, because it can be changed into a prime (45212201) 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 11 ways as a sum of consecutive naturals, for example, 8076 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (2389170).

Almost surely, 2^45212200 is an apocalyptic number.

45212200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45212200 is an abundant number, since it is smaller than the sum of its proper divisors (69467960).

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

45212200 is a wasteful number, since it uses less digits than its factorization.

45212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20578 (or 20569 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 45212200 is about 6724.0017846518. The cubic root of 45212200 is about 356.2475448687.

Adding to 45212200 its reverse (221254), we get a palindrome (45433454).

The spelling of 45212200 in words is "forty-five million, two hundred twelve thousand, two hundred".