1144533142 has 8 divisors (see below), whose sum is σ = 1717837056. Its totient is φ = 571920792.

The previous prime is 1144533139. The next prime is 1144533157. The reversal of 1144533142 is 2413354411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1144533142² = 2619912226272784328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1144533142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168733 + ... + 175384.

It is an arithmetic number, because the mean of its divisors is an integer number (214729632).

Almost surely, 2^1144533142 is an apocalyptic number.

1144533142 is a deficient number, since it is larger than the sum of its proper divisors (573303914).

1144533142 is a wasteful number, since it uses less digits than its factorization.

1144533142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345782.

The product of its digits is 5760, while the sum is 28.

The square root of 1144533142 is about 33830.9494693838. The cubic root of 1144533142 is about 1046.0267502881.

Adding to 1144533142 its reverse (2413354411), we get a palindrome (3557887553).

The spelling of 1144533142 in words is "one billion, one hundred forty-four million, five hundred thirty-three thousand, one hundred forty-two".