1150445 has 4 divisors (see below), whose sum is σ = 1380540. Its totient is φ = 920352.

The previous prime is 1150423. The next prime is 1150447. The reversal of 1150445 is 5440511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 162409 + 988036 = 403^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150445 - 2²⁰ = 101869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150447) 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, 115040 + ... + 115049.

It is an arithmetic number, because the mean of its divisors is an integer number (345135).

2^1150445 is an apocalyptic number.

It is an amenable number.

1150445 is a deficient number, since it is larger than the sum of its proper divisors (230095).

1150445 is an equidigital number, since it uses as much as digits as its factorization.

1150445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230094.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1150445 is about 1072.5879917284. The cubic root of 1150445 is about 104.7824672513.

Adding to 1150445 its reverse (5440511), we get a palindrome (6590956).

The spelling of 1150445 in words is "one million, one hundred fifty thousand, four hundred forty-five".