45646548 has 12 divisors (see below), whose sum is σ = 106508640. Its totient is φ = 15215512.

The previous prime is 45646529. The next prime is 45646561. The reversal of 45646548 is 84564654.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1901928 + ... + 1901951.

It is an arithmetic number, because the mean of its divisors is an integer number (8875720).

Almost surely, 2^45646548 is an apocalyptic number.

It is an amenable number.

45646548 is an abundant number, since it is smaller than the sum of its proper divisors (60862092).

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

45646548 is a wasteful number, since it uses less digits than its factorization.

45646548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803886 (or 3803884 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 45646548 is about 6756.2229092889. Note that the first 3 decimals coincide. The cubic root of 45646548 is about 357.3847197053.

The spelling of 45646548 in words is "forty-five million, six hundred forty-six thousand, five hundred forty-eight".