45533540 has 24 divisors (see below), whose sum is σ = 102976440. Its totient is φ = 16812288.

The previous prime is 45533533. The next prime is 45533581. The reversal of 45533540 is 4533554.

45533540 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 4 ways, for example, as 2184484 + 43349056 = 1478^2 + 6584^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 87305 + ... + 87824.

It is an arithmetic number, because the mean of its divisors is an integer number (4290685).

Almost surely, 2^45533540 is an apocalyptic number.

It is an amenable number.

45533540 is an abundant number, since it is smaller than the sum of its proper divisors (57442900).

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

45533540 is a wasteful number, since it uses less digits than its factorization.

45533540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175151 (or 175149 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 45533540 is about 6747.8544738309. The cubic root of 45533540 is about 357.0895480051.

The spelling of 45533540 in words is "forty-five million, five hundred thirty-three thousand, five hundred forty".