457045481 has 8 divisors (see below), whose sum is σ = 479284680. Its totient is φ = 435238272.

The previous prime is 457045469. The next prime is 457045487. The reversal of 457045481 is 184540754.

It can be written as a sum of positive squares in 4 ways, for example, as 41538025 + 415507456 = 6445^2 + 20384^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457045481 is a prime.

It is a super-2 number, since 2×457045481² = 417781143405042722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (457045487) 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, 105830 + ... + 110063.

It is an arithmetic number, because the mean of its divisors is an integer number (59910585).

Almost surely, 2^457045481 is an apocalyptic number.

It is an amenable number.

457045481 is a deficient number, since it is larger than the sum of its proper divisors (22239199).

457045481 is a wasteful number, since it uses less digits than its factorization.

457045481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215995.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 457045481 is about 21378.6220556892. The cubic root of 457045481 is about 770.2880133568.

The spelling of 457045481 in words is "four hundred fifty-seven million, forty-five thousand, four hundred eighty-one".