1142230346 has 4 divisors (see below), whose sum is σ = 1713345522. Its totient is φ = 571115172.

The previous prime is 1142230333. The next prime is 1142230363. The reversal of 1142230346 is 6430322411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 798684121 + 343546225 = 28261^2 + 18535^2 .

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 as a sum of consecutive naturals, namely, 285557585 + ... + 285557588.

Almost surely, 2^1142230346 is an apocalyptic number.

1142230346 is a deficient number, since it is larger than the sum of its proper divisors (571115176).

1142230346 is an equidigital number, since it uses as much as digits as its factorization.

1142230346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571115175.

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

The square root of 1142230346 is about 33796.8984671671. The cubic root of 1142230346 is about 1045.3247454194.

Adding to 1142230346 its reverse (6430322411), we get a palindrome (7572552757).

The spelling of 1142230346 in words is "one billion, one hundred forty-two million, two hundred thirty thousand, three hundred forty-six".