1142144333 has 4 divisors (see below), whose sum is σ = 1245975648. Its totient is φ = 1038313020.

The previous prime is 1142144299. The next prime is 1142144351. The reversal of 1142144333 is 3334412411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3334412411 = 11 ⋅303128401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142144333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142144383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51915641 + ... + 51915662.

It is an arithmetic number, because the mean of its divisors is an integer number (311493912).

Almost surely, 2^1142144333 is an apocalyptic number.

It is an amenable number.

1142144333 is a deficient number, since it is larger than the sum of its proper divisors (103831315).

1142144333 is a wasteful number, since it uses less digits than its factorization.

1142144333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103831314.

The product of its digits is 3456, while the sum is 26.

The square root of 1142144333 is about 33795.6259447876. The cubic root of 1142144333 is about 1045.2985061778.

Adding to 1142144333 its reverse (3334412411), we get a palindrome (4476556744).

The spelling of 1142144333 in words is "one billion, one hundred forty-two million, one hundred forty-four thousand, three hundred thirty-three".