45452500 has 30 divisors (see below), whose sum is σ = 99400994. Its totient is φ = 18180000.

The previous prime is 45452497. The next prime is 45452507. The reversal of 45452500 is 525454.

45452500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 6739216 + 38713284 = 2596^2 + 6222^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6591 + ... + 11590.

Almost surely, 2^45452500 is an apocalyptic number.

It is an amenable number.

45452500 is an abundant number, since it is smaller than the sum of its proper divisors (53948494).

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

45452500 is a wasteful number, since it uses less digits than its factorization.

45452500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205 (or 18188 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45452500 is about 6741.8469279568. The cubic root of 45452500 is about 356.8775744276.

Adding to 45452500 its reverse (525454), we get a palindrome (45977954).

The spelling of 45452500 in words is "forty-five million, four hundred fifty-two thousand, five hundred".