1154442245 has 12 divisors (see below), whose sum is σ = 1522719660. Its totient is φ = 839593920.

The previous prime is 1154442167. The next prime is 1154442259. The reversal of 1154442245 is 5422444511.

It can be written as a sum of positive squares in 2 ways, for example, as 767179204 + 387263041 = 27698^2 + 19679^2 .

It is not a de Polignac number, because 1154442245 - 2¹⁰ = 1154441221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 953480 + ... + 954689.

It is an arithmetic number, because the mean of its divisors is an integer number (126893305).

Almost surely, 2^1154442245 is an apocalyptic number.

It is an amenable number.

1154442245 is a deficient number, since it is larger than the sum of its proper divisors (368277415).

1154442245 is a wasteful number, since it uses less digits than its factorization.

1154442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908196 (or 1908185 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 1154442245 is about 33977.0841156212. The cubic root of 1154442245 is about 1049.0368325518.

Adding to 1154442245 its reverse (5422444511), we get a palindrome (6576886756).

The spelling of 1154442245 in words is "one billion, one hundred fifty-four million, four hundred forty-two thousand, two hundred forty-five".