45408666 has 16 divisors (see below), whose sum is σ = 96159744. Its totient is φ = 14245824.

The previous prime is 45408641. The next prime is 45408667. The reversal of 45408666 is 66680454.

45408666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45408667) by changing a digit.

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, 222490 + ... + 222693.

It is an arithmetic number, because the mean of its divisors is an integer number (6009984).

Almost surely, 2^45408666 is an apocalyptic number.

45408666 is an abundant number, since it is smaller than the sum of its proper divisors (50751078).

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

45408666 is a wasteful number, since it uses less digits than its factorization.

45408666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445205.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 45408666 is about 6738.5952542054. The cubic root of 45408666 is about 356.7628143075.

The spelling of 45408666 in words is "forty-five million, four hundred eight thousand, six hundred sixty-six".