1144151154 has 24 divisors (see below), whose sum is σ = 2510376960. Its totient is φ = 376555608.

The previous prime is 1144151081. The next prime is 1144151179. The reversal of 1144151154 is 4511514411.

It is a happy number.

1144151154 is a `hidden beast` number, since 1 + 144 + 1 + 511 + 5 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 400882 + ... + 403725.

It is an arithmetic number, because the mean of its divisors is an integer number (104599040).

Almost surely, 2^1144151154 is an apocalyptic number.

1144151154 is an abundant number, since it is smaller than the sum of its proper divisors (1366225806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144151154 is a wasteful number, since it uses less digits than its factorization.

1144151154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804694 (or 804691 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 1144151154 is about 33825.3034576188. The cubic root of 1144151154 is about 1045.9103668440.

Adding to 1144151154 its reverse (4511514411), we get a palindrome (5655665565).

The spelling of 1144151154 in words is "one billion, one hundred forty-four million, one hundred fifty-one thousand, one hundred fifty-four".