45856188 has 72 divisors (see below), whose sum is σ = 133148288. Its totient is φ = 13035168.

The previous prime is 45856171. The next prime is 45856193. The reversal of 45856188 is 88165854.

45856188 is a `hidden beast` number, since 4 + 5 + 8 + 561 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70995 + ... + 71637.

Almost surely, 2^45856188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45856188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66574144).

45856188 is an abundant number, since it is smaller than the sum of its proper divisors (87292100).

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

45856188 is a wasteful number, since it uses less digits than its factorization.

45856188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 938 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 45856188 is about 6771.7197224930. The cubic root of 45856188 is about 357.9310021726.

The spelling of 45856188 in words is "forty-five million, eight hundred fifty-six thousand, one hundred eighty-eight".