1455648057 has 32 divisors (see below), whose sum is σ = 2200719360. Its totient is φ = 950745600.

The previous prime is 1455648041. The next prime is 1455648071. The reversal of 1455648057 is 7508465541.

1455648057 is a `hidden beast` number, since 1 + 4 + 5 + 564 + 80 + 5 + 7 = 666.

It is not a de Polignac number, because 1455648057 - 2⁴ = 1455648041 is a prime.

It is a super-2 number, since 2×1455648057² = 4237822531695750498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1455648017) 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 31 ways as a sum of consecutive naturals, for example, 261768 + ... + 267270.

It is an arithmetic number, because the mean of its divisors is an integer number (68772480).

Almost surely, 2^1455648057 is an apocalyptic number.

It is an amenable number.

1455648057 is a deficient number, since it is larger than the sum of its proper divisors (745071303).

1455648057 is a wasteful number, since it uses less digits than its factorization.

1455648057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 1455648057 is about 38152.9560715811. The cubic root of 1455648057 is about 1133.3188919632.

The spelling of 1455648057 in words is "one billion, four hundred fifty-five million, six hundred forty-eight thousand, fifty-seven".