1365445 has 8 divisors (see below), whose sum is σ = 1645344. Its totient is φ = 1087824.

The previous prime is 1365431. The next prime is 1365449. The reversal of 1365445 is 5445631.

1365445 is nontrivially palindromic in base 4.

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 1365445 - 2¹⁹ = 841157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365449) 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 7 ways as a sum of consecutive naturals, for example, 1342 + ... + 2128.

It is an arithmetic number, because the mean of its divisors is an integer number (205668).

2^1365445 is an apocalyptic number.

It is an amenable number.

1365445 is a deficient number, since it is larger than the sum of its proper divisors (279899).

1365445 is an equidigital number, since it uses as much as digits as its factorization.

1365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its digits is 7200, while the sum is 28.

The square root of 1365445 is about 1168.5225714551. The cubic root of 1365445 is about 110.9408282411.

The spelling of 1365445 in words is "one million, three hundred sixty-five thousand, four hundred forty-five".