1144143534 has 16 divisors (see below), whose sum is σ = 2292301440. Its totient is φ = 380712120.

The previous prime is 1144143509. The next prime is 1144143541. The reversal of 1144143534 is 4353414411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163554 + ... + 170405.

It is an arithmetic number, because the mean of its divisors is an integer number (143268840).

Almost surely, 2^1144143534 is an apocalyptic number.

1144143534 is an abundant number, since it is smaller than the sum of its proper divisors (1148157906).

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

1144143534 is a wasteful number, since it uses less digits than its factorization.

1144143534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334535.

The product of its digits is 11520, while the sum is 30.

The square root of 1144143534 is about 33825.1908198609. The cubic root of 1144143534 is about 1045.9080449321.

Adding to 1144143534 its reverse (4353414411), we get a palindrome (5497557945).

The spelling of 1144143534 in words is "one billion, one hundred forty-four million, one hundred forty-three thousand, five hundred thirty-four".