1444561 has 8 divisors (see below), whose sum is σ = 1520064. Its totient is φ = 1370160.

The previous prime is 1444543. The next prime is 1444567. The reversal of 1444561 is 1654441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444561 - 2⁵ = 1444529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990 + ... + 4336.

It is an arithmetic number, because the mean of its divisors is an integer number (190008).

2^1444561 is an apocalyptic number.

It is an amenable number.

1444561 is a deficient number, since it is larger than the sum of its proper divisors (75503).

1444561 is a wasteful number, since it uses less digits than its factorization.

1444561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its digits is 1920, while the sum is 25.

The square root of 1444561 is about 1201.8989142187. The cubic root of 1444561 is about 113.0434218484.

The spelling of 1444561 in words is "one million, four hundred forty-four thousand, five hundred sixty-one".