1149023853 has 16 divisors (see below), whose sum is σ = 1703106240. Its totient is φ = 765634032.

The previous prime is 1149023851. The next prime is 1149023861. The reversal of 1149023853 is 3583209411.

It is not a de Polignac number, because 1149023853 - 2¹ = 1149023851 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149023851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51075 + ... + 70047.

It is an arithmetic number, because the mean of its divisors is an integer number (106444140).

Almost surely, 2^1149023853 is an apocalyptic number.

It is an amenable number.

1149023853 is a deficient number, since it is larger than the sum of its proper divisors (554082387).

1149023853 is a wasteful number, since it uses less digits than its factorization.

1149023853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21225 (or 21219 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1149023853 is about 33897.2543578385. The cubic root of 1149023853 is about 1047.3930347617.

The spelling of 1149023853 in words is "one billion, one hundred forty-nine million, twenty-three thousand, eight hundred fifty-three".