1141305445 has 16 divisors (see below), whose sum is σ = 1594753920. Its totient is φ = 767841984.

The previous prime is 1141305443. The next prime is 1141305449. The reversal of 1141305445 is 5445031411.

It is not a de Polignac number, because 1141305445 - 2¹ = 1141305443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141305443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305775 + ... + 309484.

It is an arithmetic number, because the mean of its divisors is an integer number (99672120).

Almost surely, 2^1141305445 is an apocalyptic number.

It is an amenable number.

1141305445 is a deficient number, since it is larger than the sum of its proper divisors (453448475).

1141305445 is an equidigital number, since it uses as much as digits as its factorization.

1141305445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615324.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1141305445 is about 33783.2124730612. The cubic root of 1141305445 is about 1045.0425247684.

Adding to 1141305445 its reverse (5445031411), we get a palindrome (6586336856).

The spelling of 1141305445 in words is "one billion, one hundred forty-one million, three hundred five thousand, four hundred forty-five".