1441945 has 4 divisors (see below), whose sum is σ = 1730340. Its totient is φ = 1153552.

The previous prime is 1441933. The next prime is 1441949. The reversal of 1441945 is 5491441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5491441 = 191 ⋅28751.

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 1106704 = 579^2 + 1052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441945 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1441949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144190 + ... + 144199.

It is an arithmetic number, because the mean of its divisors is an integer number (432585).

2^1441945 is an apocalyptic number.

It is an amenable number.

1441945 is a deficient number, since it is larger than the sum of its proper divisors (288395).

1441945 is an equidigital number, since it uses as much as digits as its factorization.

1441945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288394.

The product of its digits is 2880, while the sum is 28.

The square root of 1441945 is about 1200.8101431950. The cubic root of 1441945 is about 112.9751426776.

The spelling of 1441945 in words is "one million, four hundred forty-one thousand, nine hundred forty-five".