45648532 has 12 divisors (see below), whose sum is σ = 79935156. Its totient is φ = 22809920.

The previous prime is 45648517. The next prime is 45648563. The reversal of 45648532 is 23584654.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 30625156 = 3876^2 + 5534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45648491 and 45648500.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7128 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (6661263).

Almost surely, 2^45648532 is an apocalyptic number.

It is an amenable number.

45648532 is a deficient number, since it is larger than the sum of its proper divisors (34286624).

45648532 is a wasteful number, since it uses less digits than its factorization.

45648532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178 (or 7176 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 45648532 is about 6756.3697352942. The cubic root of 45648532 is about 357.3898974682.

The spelling of 45648532 in words is "forty-five million, six hundred forty-eight thousand, five hundred thirty-two".