1456403 has 4 divisors (see below), whose sum is σ = 1568448. Its totient is φ = 1344360.

The previous prime is 1456393. The next prime is 1456417. The reversal of 1456403 is 3046541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1456403 - 2¹⁰ = 1455379 is a prime.

It is a super-2 number, since 2×1456403² = 4242219396818, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456603) 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, 56003 + ... + 56028.

It is an arithmetic number, because the mean of its divisors is an integer number (392112).

2^1456403 is an apocalyptic number.

1456403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1456403 is a deficient number, since it is larger than the sum of its proper divisors (112045).

1456403 is a wasteful number, since it uses less digits than its factorization.

1456403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112044.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1456403 is about 1206.8152302652. The cubic root of 1456403 is about 113.3514782559.

The spelling of 1456403 in words is "one million, four hundred fifty-six thousand, four hundred three".