1144543154 has 16 divisors (see below), whose sum is σ = 1754448768. Its totient is φ = 559742352.

The previous prime is 1144543151. The next prime is 1144543171. The reversal of 1144543154 is 4513454411.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144543154.

It is not an unprimeable number, because it can be changed into a prime (1144543151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207557 + ... + 212999.

It is an arithmetic number, because the mean of its divisors is an integer number (109653048).

Almost surely, 2^1144543154 is an apocalyptic number.

1144543154 is a deficient number, since it is larger than the sum of its proper divisors (609905614).

1144543154 is a wasteful number, since it uses less digits than its factorization.

1144543154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729.

The product of its digits is 19200, while the sum is 32.

The square root of 1144543154 is about 33831.0974400772. The cubic root of 1144543154 is about 1046.0298003786.

Adding to 1144543154 its reverse (4513454411), we get a palindrome (5657997565).

The spelling of 1144543154 in words is "one billion, one hundred forty-four million, five hundred forty-three thousand, one hundred fifty-four".