1144143242 has 16 divisors (see below), whose sum is σ = 1874148192. Its totient is φ = 519533520.

The previous prime is 1144143241. The next prime is 1144143271. The reversal of 1144143242 is 2423414411.

It is not an unprimeable number, because it can be changed into a prime (1144143241) 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, 4148 + ... + 48015.

It is an arithmetic number, because the mean of its divisors is an integer number (117134262).

Almost surely, 2^1144143242 is an apocalyptic number.

1144143242 is a deficient number, since it is larger than the sum of its proper divisors (730004950).

1144143242 is a wasteful number, since it uses less digits than its factorization.

1144143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53173.

The product of its digits is 3072, while the sum is 26.

The square root of 1144143242 is about 33825.1865035509. The cubic root of 1144143242 is about 1045.9079559557.

Adding to 1144143242 its reverse (2423414411), we get a palindrome (3567557653).

The spelling of 1144143242 in words is "one billion, one hundred forty-four million, one hundred forty-three thousand, two hundred forty-two".