4545181836 has 72 divisors (see below), whose sum is σ = 12831289744. Its totient is φ = 1398513600.

The previous prime is 4545181831. The next prime is 4545181847. The reversal of 4545181836 is 6381815454.

4545181836 is a `hidden beast` number, since 4 + 54 + 518 + 1 + 83 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4545181791 and 4545181800.

It is not an unprimeable number, because it can be changed into a prime (4545181831) 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, 167215 + ... + 192486.

Almost surely, 2^4545181836 is an apocalyptic number.

It is an amenable number.

4545181836 is an abundant number, since it is smaller than the sum of its proper divisors (8286107908).

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

4545181836 is a wasteful number, since it uses less digits than its factorization.

4545181836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359733 (or 359719 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 4545181836 is about 67417.9637485441. The cubic root of 4545181836 is about 1656.4706837855.

The spelling of 4545181836 in words is "four billion, five hundred forty-five million, one hundred eighty-one thousand, eight hundred thirty-six".