1461443 has 4 divisors (see below), whose sum is σ = 1525008. Its totient is φ = 1397880.

The previous prime is 1461437. The next prime is 1461451. The reversal of 1461443 is 3441641.

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 1461443 - 2¹⁶ = 1395907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 63541 = 1461443 / (1 + 4 + 6 + 1 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461403) 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, 31748 + ... + 31793.

It is an arithmetic number, because the mean of its divisors is an integer number (381252).

2^1461443 is an apocalyptic number.

1461443 is a deficient number, since it is larger than the sum of its proper divisors (63565).

1461443 is an equidigital number, since it uses as much as digits as its factorization.

1461443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63564.

The product of its digits is 1152, while the sum is 23.

The square root of 1461443 is about 1208.9015675397. The cubic root of 1461443 is about 113.4820816934.

The spelling of 1461443 in words is "one million, four hundred sixty-one thousand, four hundred forty-three".