1142210343 has 4 divisors (see below), whose sum is σ = 1522947128. Its totient is φ = 761473560.

The previous prime is 1142210339. The next prime is 1142210401. The reversal of 1142210343 is 3430122411.

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

It is not a de Polignac number, because 1142210343 - 2² = 1142210339 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 (1142210143) 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, 190368388 + ... + 190368393.

It is an arithmetic number, because the mean of its divisors is an integer number (380736782).

Almost surely, 2^1142210343 is an apocalyptic number.

1142210343 is a deficient number, since it is larger than the sum of its proper divisors (380736785).

1142210343 is an equidigital number, since it uses as much as digits as its factorization.

1142210343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380736784.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1142210343 is about 33796.6025363497. The cubic root of 1142210343 is about 1045.3186433948.

Adding to 1142210343 its reverse (3430122411), we get a palindrome (4572332754).

The spelling of 1142210343 in words is "one billion, one hundred forty-two million, two hundred ten thousand, three hundred forty-three".