45820257 has 16 divisors (see below), whose sum is σ = 70442880. Its totient is φ = 25949952.

The previous prime is 45820213. The next prime is 45820259. The reversal of 45820257 is 75202854.

45820257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45820257 - 2⁶ = 45820193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45820259) 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 15 ways as a sum of consecutive naturals, for example, 7282 + ... + 12027.

It is an arithmetic number, because the mean of its divisors is an integer number (4402680).

Almost surely, 2^45820257 is an apocalyptic number.

It is an amenable number.

45820257 is a deficient number, since it is larger than the sum of its proper divisors (24622623).

45820257 is a wasteful number, since it uses less digits than its factorization.

45820257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45820257 is about 6769.0661837509. The cubic root of 45820257 is about 357.8374911335.

The spelling of 45820257 in words is "forty-five million, eight hundred twenty thousand, two hundred fifty-seven".