1478143 has 4 divisors (see below), whose sum is σ = 1555960. Its totient is φ = 1400328.

The previous prime is 1478129. The next prime is 1478161. The reversal of 1478143 is 3418741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3418741 = 229 ⋅14929.

It is a cyclic number.

It is not a de Polignac number, because 1478143 - 2⁹ = 1477631 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478123) 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, 38880 + ... + 38917.

It is an arithmetic number, because the mean of its divisors is an integer number (388990).

2^1478143 is an apocalyptic number.

1478143 is a deficient number, since it is larger than the sum of its proper divisors (77817).

1478143 is an equidigital number, since it uses as much as digits as its factorization.

1478143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77816.

The product of its digits is 2688, while the sum is 28.

The square root of 1478143 is about 1215.7890442013. The cubic root of 1478143 is about 113.9127011967.

The spelling of 1478143 in words is "one million, four hundred seventy-eight thousand, one hundred forty-three".