45188936 has 16 divisors (see below), whose sum is σ = 91247100. Its totient is φ = 20856384.

The previous prime is 45188921. The next prime is 45188939. The reversal of 45188936 is 63988154.

It can be written as a sum of positive squares in 2 ways, for example, as 45024100 + 164836 = 6710^2 + 406^2 .

It is not an unprimeable number, because it can be changed into a prime (45188939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217151 + ... + 217358.

Almost surely, 2^45188936 is an apocalyptic number.

It is an amenable number.

45188936 is an abundant number, since it is smaller than the sum of its proper divisors (46058164).

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

45188936 is a wasteful number, since it uses less digits than its factorization.

45188936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434528 (or 434524 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 45188936 is about 6722.2716398551. The cubic root of 45188936 is about 356.1864318300.

The spelling of 45188936 in words is "forty-five million, one hundred eighty-eight thousand, nine hundred thirty-six".