45563857 has 4 divisors (see below), whose sum is σ = 45663156. Its totient is φ = 45464560.

The previous prime is 45563809. The next prime is 45563863. The reversal of 45563857 is 75836554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29691601 + 15872256 = 5449^2 + 3984^2 .

It is a cyclic number.

It is not a de Polignac number, because 45563857 - 2¹⁵ = 45531089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45563887) 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 3 ways as a sum of consecutive naturals, for example, 48958 + ... + 49879.

It is an arithmetic number, because the mean of its divisors is an integer number (11415789).

Almost surely, 2^45563857 is an apocalyptic number.

It is an amenable number.

45563857 is a deficient number, since it is larger than the sum of its proper divisors (99299).

45563857 is an equidigital number, since it uses as much as digits as its factorization.

45563857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99298.

The product of its digits is 504000, while the sum is 43.

The square root of 45563857 is about 6750.1005177701. The cubic root of 45563857 is about 357.1687825066.

The spelling of 45563857 in words is "forty-five million, five hundred sixty-three thousand, eight hundred fifty-seven".