45681850 has 12 divisors (see below), whose sum is σ = 84968334. Its totient is φ = 18272720.

The previous prime is 45681847. The next prime is 45681917. The reversal of 45681850 is 5818654.

45681850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 28100601 + 17581249 = 5301^2 + 4193^2 .

It is an unprimeable number.

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, 456769 + ... + 456868.

Almost surely, 2^45681850 is an apocalyptic number.

45681850 is a deficient number, since it is larger than the sum of its proper divisors (39286484).

45681850 is a wasteful number, since it uses less digits than its factorization.

45681850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913649 (or 913644 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 45681850 is about 6758.8349587780. The cubic root of 45681850 is about 357.4768270307.

The spelling of 45681850 in words is "forty-five million, six hundred eighty-one thousand, eight hundred fifty".