45535540 has 24 divisors (see below), whose sum is σ = 95757480. Its totient is φ = 18188928.

The previous prime is 45535507. The next prime is 45535573. The reversal of 45535540 is 4553554.

45535540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45535507) and next prime (45535573).

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 45535504 = 6^2 + 6748^2 .

It is a congruent number.

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, 21154 + ... + 23206.

It is an arithmetic number, because the mean of its divisors is an integer number (3989895).

Almost surely, 2^45535540 is an apocalyptic number.

It is an amenable number.

45535540 is an abundant number, since it is smaller than the sum of its proper divisors (50221940).

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

45535540 is a wasteful number, since it uses less digits than its factorization.

45535540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 45535540 is about 6748.0026674565. The cubic root of 45535540 is about 357.0947761559.

The spelling of 45535540 in words is "forty-five million, five hundred thirty-five thousand, five hundred forty".