45181858850 has 12 divisors (see below), whose sum is σ = 84038257554. Its totient is φ = 18072743520.

The previous prime is 45181858819. The next prime is 45181858853. The reversal of 45181858850 is 5885818154.

It can be written as a sum of positive squares in 3 ways, for example, as 26212581409 + 18969277441 = 161903^2 + 137729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45181858792 and 45181858801.

It is not an unprimeable number, because it can be changed into a prime (45181858853) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 451818539 + ... + 451818638.

Almost surely, 2^45181858850 is an apocalyptic number.

45181858850 is a deficient number, since it is larger than the sum of its proper divisors (38856398704).

45181858850 is a wasteful number, since it uses less digits than its factorization.

45181858850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903637189 (or 903637184 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 53.

The spelling of 45181858850 in words is "forty-five billion, one hundred eighty-one million, eight hundred fifty-eight thousand, eight hundred fifty".