457771045 has 4 divisors (see below), whose sum is σ = 549325260. Its totient is φ = 366216832.

The previous prime is 457770997. The next prime is 457771051. The reversal of 457771045 is 540177754.

It is a happy number.

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 114447204 + 343323841 = 10698^2 + 18529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457771045 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 457770989 and 457771007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45777100 + ... + 45777109.

It is an arithmetic number, because the mean of its divisors is an integer number (137331315).

Almost surely, 2^457771045 is an apocalyptic number.

It is an amenable number.

457771045 is a deficient number, since it is larger than the sum of its proper divisors (91554215).

457771045 is an equidigital number, since it uses as much as digits as its factorization.

457771045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91554214.

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 457771045 is about 21395.5847080654. The cubic root of 457771045 is about 770.6954110057.

The spelling of 457771045 in words is "four hundred fifty-seven million, seven hundred seventy-one thousand, forty-five".