457455028 has 6 divisors (see below), whose sum is σ = 800546306. Its totient is φ = 228727512.

The previous prime is 457455017. The next prime is 457455049. The reversal of 457455028 is 820554754.

It can be written as a sum of positive squares in only one way, i.e., 402724624 + 54730404 = 20068^2 + 7398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57181875 + ... + 57181882.

Almost surely, 2^457455028 is an apocalyptic number.

It is an amenable number.

457455028 is a deficient number, since it is larger than the sum of its proper divisors (343091278).

457455028 is a wasteful number, since it uses less digits than its factorization.

457455028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114363761 (or 114363759 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 457455028 is about 21388.1983345956. The cubic root of 457455028 is about 770.5180232624.

The spelling of 457455028 in words is "four hundred fifty-seven million, four hundred fifty-five thousand, twenty-eight".