1142340244 has 12 divisors (see below), whose sum is σ = 2006314324. Its totient is φ = 569107584.

The previous prime is 1142340223. The next prime is 1142340253. The reversal of 1142340244 is 4420432411.

It can be written as a sum of positive squares in 2 ways, for example, as 575424144 + 566916100 = 23988^2 + 23810^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 514389 + ... + 516604.

Almost surely, 2^1142340244 is an apocalyptic number.

It is an amenable number.

1142340244 is a deficient number, since it is larger than the sum of its proper divisors (863974080).

1142340244 is a wasteful number, since it uses less digits than its factorization.

1142340244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031274 (or 1031272 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1142340244 is about 33798.5242873117. The cubic root of 1142340244 is about 1045.3582691347.

Adding to 1142340244 its reverse (4420432411), we get a palindrome (5562772655).

The spelling of 1142340244 in words is "one billion, one hundred forty-two million, three hundred forty thousand, two hundred forty-four".