457827845 has 8 divisors (see below), whose sum is σ = 552241176. Its totient is φ = 364363776.

The previous prime is 457827841. The next prime is 457827863. The reversal of 457827845 is 548728754.

It can be written as a sum of positive squares in 4 ways, for example, as 117462244 + 340365601 = 10838^2 + 18449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457827845 - 2² = 457827841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457827793 and 457827802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457827841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236252 + ... + 238181.

It is an arithmetic number, because the mean of its divisors is an integer number (69030147).

Almost surely, 2^457827845 is an apocalyptic number.

It is an amenable number.

457827845 is a deficient number, since it is larger than the sum of its proper divisors (94413331).

457827845 is a wasteful number, since it uses less digits than its factorization.

457827845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474631.

The product of its digits is 2508800, while the sum is 50.

The square root of 457827845 is about 21396.9120435637. The cubic root of 457827845 is about 770.7272855198.

Subtracting 457827845 from its reverse (548728754), we obtain a palindrome (90900909).

It can be divided in two parts, 4578 and 27845, that added together give a palindrome (32423).

The spelling of 457827845 in words is "four hundred fifty-seven million, eight hundred twenty-seven thousand, eight hundred forty-five".