1457423056 has 20 divisors (see below), whose sum is σ = 2989861092. Its totient is φ = 685846016.

The previous prime is 1457423053. The next prime is 1457423059. The reversal of 1457423056 is 6503247541.

It is an interprime number because it is at equal distance from previous prime (1457423053) and next prime (1457423059).

It can be written as a sum of positive squares in 2 ways, for example, as 978688656 + 478734400 = 31284^2 + 21880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457423053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678815 + ... + 2679358.

Almost surely, 2^1457423056 is an apocalyptic number.

1457423056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1457423056 is an abundant number, since it is smaller than the sum of its proper divisors (1532438036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457423056 is a wasteful number, since it uses less digits than its factorization.

1457423056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358198 (or 5358192 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 1457423056 is about 38176.2106029396. The cubic root of 1457423056 is about 1133.7793564708.

The spelling of 1457423056 in words is "one billion, four hundred fifty-seven million, four hundred twenty-three thousand, fifty-six".