45557018 has 8 divisors (see below), whose sum is σ = 73592148. Its totient is φ = 21026304.

The previous prime is 45556981. The next prime is 45557023. The reversal of 45557018 is 81075554.

45557018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 223729 = 6733^2 + 473^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 876071 + ... + 876122.

Almost surely, 2^45557018 is an apocalyptic number.

45557018 is a deficient number, since it is larger than the sum of its proper divisors (28035130).

45557018 is a wasteful number, since it uses less digits than its factorization.

45557018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752208.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 45557018 is about 6749.5939137107. The cubic root of 45557018 is about 357.1509116203.

The spelling of 45557018 in words is "forty-five million, five hundred fifty-seven thousand, eighteen".