1143052451 has 8 divisors (see below), whose sum is σ = 1163472384. Its totient is φ = 1122811200.

The previous prime is 1143052447. The next prime is 1143052453. The reversal of 1143052451 is 1542503411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143052451 - 2² = 1143052447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143052451.

It is not an unprimeable number, because it can be changed into a prime (1143052453) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 31730 + ... + 57383.

It is an arithmetic number, because the mean of its divisors is an integer number (145434048).

Almost surely, 2^1143052451 is an apocalyptic number.

1143052451 is a deficient number, since it is larger than the sum of its proper divisors (20419933).

1143052451 is a wasteful number, since it uses less digits than its factorization.

1143052451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89341.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1143052451 is about 33809.0587121263. The cubic root of 1143052451 is about 1045.5754714406.

Adding to 1143052451 its reverse (1542503411), we get a palindrome (2685555862).

The spelling of 1143052451 in words is "one billion, one hundred forty-three million, fifty-two thousand, four hundred fifty-one".