457246665 has 12 divisors (see below), whose sum is σ = 792560964. Its totient is φ = 243864864.

The previous prime is 457246663. The next prime is 457246687. The reversal of 457246665 is 566642754.

It can be written as a sum of positive squares in 2 ways, for example, as 51667344 + 405579321 = 7188^2 + 20139^2 .

It is not a de Polignac number, because 457246665 - 2¹ = 457246663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10161037 = 457246665 / (4 + 5 + 7 + 2 + 4 + 6 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 457246665.

It is not an unprimeable number, because it can be changed into a prime (457246661) 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 11 ways as a sum of consecutive naturals, for example, 5080474 + ... + 5080563.

It is an arithmetic number, because the mean of its divisors is an integer number (66046747).

Almost surely, 2^457246665 is an apocalyptic number.

457246665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

457246665 is a deficient number, since it is larger than the sum of its proper divisors (335314299).

457246665 is a wasteful number, since it uses less digits than its factorization.

457246665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161048 (or 10161045 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 457246665 is about 21383.3267991676. The cubic root of 457246665 is about 770.4010195362.

The spelling of 457246665 in words is "four hundred fifty-seven million, two hundred forty-six thousand, six hundred sixty-five".