1456252857 has 16 divisors (see below), whose sum is σ = 2198119680. Its totient is φ = 952516656.

The previous prime is 1456252849. The next prime is 1456252867. The reversal of 1456252857 is 7582526541.

1456252857 is a `hidden beast` number, since 1 + 4 + 562 + 5 + 2 + 85 + 7 = 666.

It is not a de Polignac number, because 1456252857 - 2³ = 1456252849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1456252867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507393 + ... + 510254.

It is an arithmetic number, because the mean of its divisors is an integer number (137382480).

Almost surely, 2^1456252857 is an apocalyptic number.

It is an amenable number.

1456252857 is a deficient number, since it is larger than the sum of its proper divisors (741866823).

1456252857 is a wasteful number, since it uses less digits than its factorization.

1456252857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017709 (or 1017703 counting only the distinct ones).

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

The square root of 1456252857 is about 38160.8812398246. The cubic root of 1456252857 is about 1133.4758292475.

The spelling of 1456252857 in words is "one billion, four hundred fifty-six million, two hundred fifty-two thousand, eight hundred fifty-seven".