45578988 has 72 divisors (see below), whose sum is σ = 141811488. Its totient is φ = 12019968.

The previous prime is 45578987. The next prime is 45579013. The reversal of 45578988 is 88987554.

45578988 is a `hidden beast` number, since 4 + 557 + 8 + 9 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (45578983) by changing a digit.

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, 3681 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (1969604).

Almost surely, 2^45578988 is an apocalyptic number.

It is an amenable number.

45578988 is an abundant number, since it is smaller than the sum of its proper divisors (96232500).

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

45578988 is a wasteful number, since it uses less digits than its factorization.

45578988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13943 (or 13938 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 45578988 is about 6751.2212228604. The cubic root of 45578988 is about 357.2083147374.

The spelling of 45578988 in words is "forty-five million, five hundred seventy-eight thousand, nine hundred eighty-eight".