1142224043 has 8 divisors (see below), whose sum is σ = 1170526896. Its totient is φ = 1113942400.

The previous prime is 1142224019. The next prime is 1142224087. The reversal of 1142224043 is 3404222411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142224043 - 2⁸ = 1142223787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142227043) 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, 205580 + ... + 211062.

It is an arithmetic number, because the mean of its divisors is an integer number (146315862).

Almost surely, 2^1142224043 is an apocalyptic number.

1142224043 is a deficient number, since it is larger than the sum of its proper divisors (28302853).

1142224043 is an equidigital number, since it uses as much as digits as its factorization.

1142224043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1142224043 is about 33796.8052188369. The cubic root of 1142224043 is about 1045.3228226625.

Adding to 1142224043 its reverse (3404222411), we get a palindrome (4546446454).

The spelling of 1142224043 in words is "one billion, one hundred forty-two million, two hundred twenty-four thousand, forty-three".