1135445 has 4 divisors (see below), whose sum is σ = 1362540. Its totient is φ = 908352.

The previous prime is 1135439. The next prime is 1135451. The reversal of 1135445 is 5445311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1135439) and next prime (1135451).

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 649636 = 697^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135445 - 2⁴ = 1135429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1135445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113540 + ... + 113549.

It is an arithmetic number, because the mean of its divisors is an integer number (340635).

2^1135445 is an apocalyptic number.

It is an amenable number.

1135445 is a deficient number, since it is larger than the sum of its proper divisors (227095).

1135445 is an equidigital number, since it uses as much as digits as its factorization.

1135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227094.

The product of its digits is 1200, while the sum is 23.

The square root of 1135445 is about 1065.5726160145. The cubic root of 1135445 is about 104.3250738312.

The spelling of 1135445 in words is "one million, one hundred thirty-five thousand, four hundred forty-five".