1142344442 has 8 divisors (see below), whose sum is σ = 1736989716. Its totient is φ = 563347872.

The previous prime is 1142344433. The next prime is 1142344471. The reversal of 1142344442 is 2444432411.

It can be written as a sum of positive squares in 2 ways, for example, as 1000520161 + 141824281 = 31631^2 + 11909^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3911993 + ... + 3912284.

Almost surely, 2^1142344442 is an apocalyptic number.

1142344442 is a deficient number, since it is larger than the sum of its proper divisors (594645274).

1142344442 is an equidigital number, since it uses as much as digits as its factorization.

1142344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824352.

The product of its digits is 12288, while the sum is 29.

The square root of 1142344442 is about 33798.5863905578. The cubic root of 1142344442 is about 1045.3595496664.

Adding to 1142344442 its reverse (2444432411), we get a palindrome (3586776853).

The spelling of 1142344442 in words is "one billion, one hundred forty-two million, three hundred forty-four thousand, four hundred forty-two".