1148673245 has 18 divisors (see below), whose sum is σ = 1443134238. Its totient is φ = 877650928.

The previous prime is 1148673181. The next prime is 1148673247. The reversal of 1148673245 is 5423768411.

It can be written as a sum of positive squares in only one way, i.e., 918938596 + 229734649 = 30314^2 + 15157^2 .

It is not a de Polignac number, because 1148673245 - 2⁶ = 1148673181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148673247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1742726 + ... + 1743384.

Almost surely, 2^1148673245 is an apocalyptic number.

It is an amenable number.

1148673245 is a deficient number, since it is larger than the sum of its proper divisors (294460993).

1148673245 is an frugal number, since it uses more digits than its factorization.

1148673245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 687 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 1148673245 is about 33892.0823349643. The cubic root of 1148673245 is about 1047.2864916487.

The spelling of 1148673245 in words is "one billion, one hundred forty-eight million, six hundred seventy-three thousand, two hundred forty-five".