45225500 has 48 divisors (see below), whose sum is σ = 102211200. Its totient is φ = 17460800.

The previous prime is 45225493. The next prime is 45225503. The reversal of 45225500 is 552254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45225503) 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, 12941 + ... + 16059.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^45225500 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 45225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51105600).

45225500 is an abundant number, since it is smaller than the sum of its proper divisors (56985700).

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

45225500 is a wasteful number, since it uses less digits than its factorization.

45225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 45225500 is about 6724.9907063133. The cubic root of 45225500 is about 356.2824736993.

Adding to 45225500 its reverse (552254), we get a palindrome (45777754).

It can be divided in two parts, 452 and 25500, that added together give a palindrome (25952).

The spelling of 45225500 in words is "forty-five million, two hundred twenty-five thousand, five hundred".