45843618 has 16 divisors (see below), whose sum is σ = 96513120. Its totient is φ = 14476896.

The previous prime is 45843613. The next prime is 45843619. The reversal of 45843618 is 81634854.

It is a super-2 number, since 2×45843618² = 4203274622659848, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45843613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200955 + ... + 201182.

It is an arithmetic number, because the mean of its divisors is an integer number (6032070).

Almost surely, 2^45843618 is an apocalyptic number.

45843618 is an abundant number, since it is smaller than the sum of its proper divisors (50669502).

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

45843618 is a wasteful number, since it uses less digits than its factorization.

45843618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402161.

The product of its digits is 92160, while the sum is 39.

The square root of 45843618 is about 6770.7915342300. The cubic root of 45843618 is about 357.8982940906.

The spelling of 45843618 in words is "forty-five million, eight hundred forty-three thousand, six hundred eighteen".