45325540 has 24 divisors (see below), whose sum is σ = 102506040. Its totient is φ = 16735488.

The previous prime is 45325529. The next prime is 45325549. The reversal of 45325540 is 4552354.

It can be written as a sum of positive squares in 4 ways, for example, as 381924 + 44943616 = 618^2 + 6704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45325499 and 45325508.

It is not an unprimeable number, because it can be changed into a prime (45325549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86905 + ... + 87424.

It is an arithmetic number, because the mean of its divisors is an integer number (4271085).

Almost surely, 2^45325540 is an apocalyptic number.

It is an amenable number.

45325540 is an abundant number, since it is smaller than the sum of its proper divisors (57180500).

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

45325540 is a wasteful number, since it uses less digits than its factorization.

45325540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174351 (or 174349 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 45325540 is about 6732.4245261273. The cubic root of 45325540 is about 356.5449823150.

Adding to 45325540 its reverse (4552354), we get a palindrome (49877894).

The spelling of 45325540 in words is "forty-five million, three hundred twenty-five thousand, five hundred forty".