1457538 has 8 divisors (see below), whose sum is σ = 2915088. Its totient is φ = 485844.

The previous prime is 1457513. The next prime is 1457551. The reversal of 1457538 is 8357541.

It is a sphenic number, since it is the product of 3 distinct primes.

1457538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1457499 and 1457508.

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, 121456 + ... + 121467.

It is an arithmetic number, because the mean of its divisors is an integer number (364386).

2^1457538 is an apocalyptic number.

1457538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1457538 is a wasteful number, since it uses less digits than its factorization.

1457538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242928.

The product of its digits is 16800, while the sum is 33.

The square root of 1457538 is about 1207.2853846543. The cubic root of 1457538 is about 113.3809161980.

The spelling of 1457538 in words is "one million, four hundred fifty-seven thousand, five hundred thirty-eight".