457243117 has 8 divisors (see below), whose sum is σ = 461098296. Its totient is φ = 453395712.

The previous prime is 457243109. The next prime is 457243139. The reversal of 457243117 is 711342754.

It can be written as a sum of positive squares in 4 ways, for example, as 205893801 + 251349316 = 14349^2 + 15854^2 .

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 457243117 - 2³ = 457243109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457243147) 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 7 ways as a sum of consecutive naturals, for example, 197913 + ... + 200209.

It is an arithmetic number, because the mean of its divisors is an integer number (57637287).

Almost surely, 2^457243117 is an apocalyptic number.

It is an amenable number.

457243117 is a deficient number, since it is larger than the sum of its proper divisors (3855179).

457243117 is a wasteful number, since it uses less digits than its factorization.

457243117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its digits is 23520, while the sum is 34.

The square root of 457243117 is about 21383.2438371731. The cubic root of 457243117 is about 770.3990268919.

It can be divided in two parts, 45724 and 3117, that added together give a square (48841 = 221²).

The spelling of 457243117 in words is "four hundred fifty-seven million, two hundred forty-three thousand, one hundred seventeen".