1457612456 has 16 divisors (see below), whose sum is σ = 2746899540. Its totient is φ = 725105920.

The previous prime is 1457612441. The next prime is 1457612461. The reversal of 1457612456 is 6542167541.

It can be written as a sum of positive squares in 2 ways, for example, as 1428084100 + 29528356 = 37790^2 + 5434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460865 + ... + 464016.

Almost surely, 2^1457612456 is an apocalyptic number.

It is an amenable number.

1457612456 is a deficient number, since it is larger than the sum of its proper divisors (1289287084).

1457612456 is a wasteful number, since it uses less digits than its factorization.

1457612456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925084 (or 925080 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 1457612456 is about 38178.6911247623. The cubic root of 1457612456 is about 1133.8284679277.

Adding to 1457612456 its reverse (6542167541), we get a palindrome (7999779997).

The spelling of 1457612456 in words is "one billion, four hundred fifty-seven million, six hundred twelve thousand, four hundred fifty-six".