1153045205 has 8 divisors (see below), whose sum is σ = 1490089272. Its totient is φ = 851479488.

The previous prime is 1153045199. The next prime is 1153045253. The reversal of 1153045205 is 5025403511.

It can be written as a sum of positive squares in 4 ways, for example, as 60808804 + 1092236401 = 7798^2 + 33049^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1153045205 - 2⁶ = 1153045141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8869514 + ... + 8869643.

It is an arithmetic number, because the mean of its divisors is an integer number (186261159).

Almost surely, 2^1153045205 is an apocalyptic number.

It is an amenable number.

1153045205 is a deficient number, since it is larger than the sum of its proper divisors (337044067).

1153045205 is a wasteful number, since it uses less digits than its factorization.

1153045205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17739175.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1153045205 is about 33956.5193298724. The cubic root of 1153045205 is about 1048.6135002763.

Adding to 1153045205 its reverse (5025403511), we get a palindrome (6178448716).

The spelling of 1153045205 in words is "one billion, one hundred fifty-three million, forty-five thousand, two hundred five".