1456543 has 8 divisors (see below), whose sum is σ = 1682640. Its totient is φ = 1246080.

The previous prime is 1456541. The next prime is 1456547. The reversal of 1456543 is 3456541.

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

It is not a de Polignac number, because 1456543 - 2¹ = 1456541 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1456543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3708 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

2^1456543 is an apocalyptic number.

1456543 is a deficient number, since it is larger than the sum of its proper divisors (226097).

1456543 is a wasteful number, since it uses less digits than its factorization.

1456543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817.

The product of its digits is 7200, while the sum is 28.

The square root of 1456543 is about 1206.8732327796. The cubic root of 1456543 is about 113.3551101944.

The spelling of 1456543 in words is "one million, four hundred fifty-six thousand, five hundred forty-three".