45532540 has 24 divisors (see below), whose sum is σ = 96257952. Its totient is φ = 18091200.

The previous prime is 45532507. The next prime is 45532547. The reversal of 45532540 is 4523554.

It is a junction number, because it is equal to n+sod(n) for n = 45532499 and 45532508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45532547) 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, 4519 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (4010748).

Almost surely, 2^45532540 is an apocalyptic number.

It is an amenable number.

45532540 is an abundant number, since it is smaller than the sum of its proper divisors (50725412).

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

45532540 is a wasteful number, since it uses less digits than its factorization.

45532540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237 (or 15235 counting only the distinct ones).

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

The square root of 45532540 is about 6747.7803757977. The cubic root of 45532540 is about 357.0869338723.

The spelling of 45532540 in words is "forty-five million, five hundred thirty-two thousand, five hundred forty".