45867818 has 8 divisors (see below), whose sum is σ = 69070212. Its totient is φ = 22844416.

The previous prime is 45867793. The next prime is 45867823. The reversal of 45867818 is 81876854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41512249 + 4355569 = 6443^2 + 2087^2 .

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

It is a super-2 number, since 2×45867818² = 4207713456162248, which contains 22 as substring.

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, 44105 + ... + 45132.

Almost surely, 2^45867818 is an apocalyptic number.

45867818 is a deficient number, since it is larger than the sum of its proper divisors (23202394).

45867818 is a wasteful number, since it uses less digits than its factorization.

45867818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89496.

The product of its digits is 430080, while the sum is 47.

The square root of 45867818 is about 6772.5783864050. The cubic root of 45867818 is about 357.9612589810.

The spelling of 45867818 in words is "forty-five million, eight hundred sixty-seven thousand, eight hundred eighteen".