45320500 has 24 divisors (see below), whose sum is σ = 98981064. Its totient is φ = 18128000.

The previous prime is 45320489. The next prime is 45320531. The reversal of 45320500 is 502354.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 676 + 45319824 = 26^2 + 6732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44821 + ... + 45820.

It is an arithmetic number, because the mean of its divisors is an integer number (4124211).

Almost surely, 2^45320500 is an apocalyptic number.

It is an amenable number.

45320500 is an abundant number, since it is smaller than the sum of its proper divisors (53660564).

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

45320500 is a wasteful number, since it uses less digits than its factorization.

45320500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90660 (or 90648 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 45320500 is about 6732.0502077747. The cubic root of 45320500 is about 356.5317664157.

Adding to 45320500 its reverse (502354), we get a palindrome (45822854).

The spelling of 45320500 in words is "forty-five million, three hundred twenty thousand, five hundred".