45305838 has 32 divisors (see below), whose sum is σ = 102827520. Its totient is φ = 14779800.

The previous prime is 45305807. The next prime is 45305839. The reversal of 45305838 is 83850354.

45305838 is a `hidden beast` number, since 45 + 30 + 583 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45305839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6388 + ... + 11463.

It is an arithmetic number, because the mean of its divisors is an integer number (3213360).

Almost surely, 2^45305838 is an apocalyptic number.

45305838 is an abundant number, since it is smaller than the sum of its proper divisors (57521682).

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

45305838 is a wasteful number, since it uses less digits than its factorization.

45305838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17909 (or 17903 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 45305838 is about 6730.9611497913. The cubic root of 45305838 is about 356.4933141142.

The spelling of 45305838 in words is "forty-five million, three hundred five thousand, eight hundred thirty-eight".