45181806 has 8 divisors (see below), whose sum is σ = 90363624. Its totient is φ = 15060600.

The previous prime is 45181793. The next prime is 45181813. The reversal of 45181806 is 60818154.

It is a sphenic number, since it is the product of 3 distinct primes.

45181806 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765145 + ... + 3765156.

It is an arithmetic number, because the mean of its divisors is an integer number (11295453).

Almost surely, 2^45181806 is an apocalyptic number.

45181806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45181806 is a wasteful number, since it uses less digits than its factorization.

45181806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530306.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 45181806 is about 6721.7412922546. The cubic root of 45181806 is about 356.1676975773.

The spelling of 45181806 in words is "forty-five million, one hundred eighty-one thousand, eight hundred six".