45810818 has 8 divisors (see below), whose sum is σ = 72758412. Its totient is φ = 21558016.

The previous prime is 45810799. The next prime is 45810823. The reversal of 45810818 is 81801854.

It can be written as a sum of positive squares in 2 ways, for example, as 35844169 + 9966649 = 5987^2 + 3157^2 .

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

It is a Curzon 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, 673655 + ... + 673722.

Almost surely, 2^45810818 is an apocalyptic number.

45810818 is a deficient number, since it is larger than the sum of its proper divisors (26947594).

45810818 is a wasteful number, since it uses less digits than its factorization.

45810818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347396.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 45810818 is about 6768.3689320249. The cubic root of 45810818 is about 357.8129178678.

The spelling of 45810818 in words is "forty-five million, eight hundred ten thousand, eight hundred eighteen".