1143453051 has 32 divisors (see below), whose sum is σ = 1826334720. Its totient is φ = 702883872.

The previous prime is 1143453049. The next prime is 1143453067. The reversal of 1143453051 is 1503543411.

It is a happy number.

1143453051 is a `hidden beast` number, since 1 + 14 + 345 + 305 + 1 = 666.

It is not a de Polignac number, because 1143453051 - 2¹ = 1143453049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1143453851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626326 + ... + 628148.

It is an arithmetic number, because the mean of its divisors is an integer number (57072960).

Almost surely, 2^1143453051 is an apocalyptic number.

1143453051 is a deficient number, since it is larger than the sum of its proper divisors (682881669).

1143453051 is a wasteful number, since it uses less digits than its factorization.

1143453051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632 (or 3626 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1143453051 is about 33814.9826408354. The cubic root of 1143453051 is about 1045.6976030807.

Adding to 1143453051 its reverse (1503543411), we get a palindrome (2646996462).

The spelling of 1143453051 in words is "one billion, one hundred forty-three million, four hundred fifty-three thousand, fifty-one".