1154045163 has 12 divisors (see below), whose sum is σ = 1577179064. Its totient is φ = 750595200.

The previous prime is 1154045159. The next prime is 1154045203. The reversal of 1154045163 is 3615404511.

It is a happy number.

It is not a de Polignac number, because 1154045163 - 2² = 1154045159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154045163.

It is not an unprimeable number, because it can be changed into a prime (1154046163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109378 + ... + 119463.

Almost surely, 2^1154045163 is an apocalyptic number.

1154045163 is a deficient number, since it is larger than the sum of its proper divisors (423133901).

1154045163 is an equidigital number, since it uses as much as digits as its factorization.

1154045163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228926 (or 228885 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1154045163 is about 33971.2402334681. The cubic root of 1154045163 is about 1048.9165431758.

Adding to 1154045163 its reverse (3615404511), we get a palindrome (4769449674).

The spelling of 1154045163 in words is "one billion, one hundred fifty-four million, forty-five thousand, one hundred sixty-three".