1143425351 has 4 divisors (see below), whose sum is σ = 1154526672. Its totient is φ = 1132324032.

The previous prime is 1143425333. The next prime is 1143425363. The reversal of 1143425351 is 1535243411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143425351 - 2¹⁰ = 1143424327 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 (1143425051) by changing a digit.

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, 5550506 + ... + 5550711.

It is an arithmetic number, because the mean of its divisors is an integer number (288631668).

Almost surely, 2^1143425351 is an apocalyptic number.

1143425351 is a deficient number, since it is larger than the sum of its proper divisors (11101321).

1143425351 is a wasteful number, since it uses less digits than its factorization.

1143425351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101320.

The product of its digits is 7200, while the sum is 29.

The square root of 1143425351 is about 33814.5730565979. The cubic root of 1143425351 is about 1045.6891590501.

Adding to 1143425351 its reverse (1535243411), we get a palindrome (2678668762).

The spelling of 1143425351 in words is "one billion, one hundred forty-three million, four hundred twenty-five thousand, three hundred fifty-one".