1143214353 has 6 divisors (see below), whose sum is σ = 1651309634. Its totient is φ = 762142896.

The previous prime is 1143214343. The next prime is 1143214403. The reversal of 1143214353 is 3534123411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 950365584 + 192848769 = 30828^2 + 13887^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1143214353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143214343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63511900 + ... + 63511917.

Almost surely, 2^1143214353 is an apocalyptic number.

It is an amenable number.

1143214353 is a deficient number, since it is larger than the sum of its proper divisors (508095281).

1143214353 is a wasteful number, since it uses less digits than its factorization.

1143214353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127023823 (or 127023820 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1143214353 is about 33811.4529856379. The cubic root of 1143214353 is about 1045.6248342288.

Adding to 1143214353 its reverse (3534123411), we get a palindrome (4677337764).

It can be divided in two parts, 1143 and 214353, that added together give a triangular number (215496 = T₆₅₆).

The spelling of 1143214353 in words is "one billion, one hundred forty-three million, two hundred fourteen thousand, three hundred fifty-three".