1145826249 has 8 divisors (see below), whose sum is σ = 1569059520. Its totient is φ = 743238576.

The previous prime is 1145826193. The next prime is 1145826251. The reversal of 1145826249 is 9426285411.

1145826249 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145826249 - 2¹³ = 1145818057 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145826249.

It is not an unprimeable number, because it can be changed into a prime (1145826049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5161269 + ... + 5161490.

It is an arithmetic number, because the mean of its divisors is an integer number (196132440).

Almost surely, 2^1145826249 is an apocalyptic number.

It is an amenable number.

1145826249 is a deficient number, since it is larger than the sum of its proper divisors (423233271).

1145826249 is a wasteful number, since it uses less digits than its factorization.

1145826249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322799.

The product of its digits is 138240, while the sum is 42.

The square root of 1145826249 is about 33850.0553766164. The cubic root of 1145826249 is about 1046.4205397961.

The spelling of 1145826249 in words is "one billion, one hundred forty-five million, eight hundred twenty-six thousand, two hundred forty-nine".