1154163043 has 8 divisors (see below), whose sum is σ = 1288368576. Its totient is φ = 1024837800.

The previous prime is 1154163029. The next prime is 1154163091. The reversal of 1154163043 is 3403614511.

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 1154163043 - 2⁵ = 1154163011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154163343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1219573 + ... + 1220518.

It is an arithmetic number, because the mean of its divisors is an integer number (161046072).

Almost surely, 2^1154163043 is an apocalyptic number.

1154163043 is a deficient number, since it is larger than the sum of its proper divisors (134205533).

1154163043 is a wasteful number, since it uses less digits than its factorization.

1154163043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440145.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1154163043 is about 33972.9751861682. The cubic root of 1154163043 is about 1048.9522558372.

Adding to 1154163043 its reverse (3403614511), we get a palindrome (4557777554).

The spelling of 1154163043 in words is "one billion, one hundred fifty-four million, one hundred sixty-three thousand, forty-three".