1445841 has 6 divisors (see below), whose sum is σ = 2088450. Its totient is φ = 963888.

The previous prime is 1445831. The next prime is 1445863. The reversal of 1445841 is 1485441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1404225 + 41616 = 1185^2 + 204^2 .

It is not a de Polignac number, because 1445841 - 2⁷ = 1445713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80316 + ... + 80333.

It is an arithmetic number, because the mean of its divisors is an integer number (348075).

2^1445841 is an apocalyptic number.

It is an amenable number.

1445841 is a deficient number, since it is larger than the sum of its proper divisors (642609).

1445841 is a wasteful number, since it uses less digits than its factorization.

1445841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160655 (or 160652 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1445841 is about 1202.4312870181. The cubic root of 1445841 is about 113.0768005851.

The spelling of 1445841 in words is "one million, four hundred forty-five thousand, eight hundred forty-one".