1445069 has 4 divisors (see below), whose sum is σ = 1453596. Its totient is φ = 1436544.

The previous prime is 1445057. The next prime is 1445071. The reversal of 1445069 is 9605441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9605441 = 2663 ⋅3607.

It can be written as a sum of positive squares in 2 ways, for example, as 1155625 + 289444 = 1075^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445069 - 2⁴ = 1445053 is a prime.

It is a super-2 number, since 2×1445069² = 4176448829522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445039) 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, 4004 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (363399).

2^1445069 is an apocalyptic number.

It is an amenable number.

1445069 is a deficient number, since it is larger than the sum of its proper divisors (8527).

1445069 is an equidigital number, since it uses as much as digits as its factorization.

1445069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1445069 is about 1202.1102278909. The cubic root of 1445069 is about 113.0566713935.

The spelling of 1445069 in words is "one million, four hundred forty-five thousand, sixty-nine".