808148457 has 6 divisors (see below), whose sum is σ = 1167325562. Its totient is φ = 538765632.

The previous prime is 808148437. The next prime is 808148459. The reversal of 808148457 is 754841808.

808148457 is a `hidden beast` number, since 80 + 81 + 48 + 457 = 666.

It can be written as a sum of positive squares in only one way, i.e., 699655401 + 108493056 = 26451^2 + 10416^2 .

It is not a de Polignac number, because 808148457 - 2¹² = 808144361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808148459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44897128 + ... + 44897145.

Almost surely, 2^808148457 is an apocalyptic number.

It is an amenable number.

808148457 is a deficient number, since it is larger than the sum of its proper divisors (359177105).

808148457 is a wasteful number, since it uses less digits than its factorization.

808148457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89794279 (or 89794276 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 808148457 is about 28427.9520366839. The cubic root of 808148457 is about 931.4589414389.

The spelling of 808148457 in words is "eight hundred eight million, one hundred forty-eight thousand, four hundred fifty-seven".