1141435451 has 4 divisors (see below), whose sum is σ = 1229238192. Its totient is φ = 1053632712.

The previous prime is 1141435439. The next prime is 1141435453. The reversal of 1141435451 is 1545341411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1545341411 = 23 ⋅67188757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141435451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1141435453) 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, 43901351 + ... + 43901376.

It is an arithmetic number, because the mean of its divisors is an integer number (307309548).

Almost surely, 2^1141435451 is an apocalyptic number.

1141435451 is a deficient number, since it is larger than the sum of its proper divisors (87802741).

1141435451 is an equidigital number, since it uses as much as digits as its factorization.

1141435451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87802740.

The product of its digits is 4800, while the sum is 29.

The square root of 1141435451 is about 33785.1365396087. The cubic root of 1141435451 is about 1045.0822034950.

Adding to 1141435451 its reverse (1545341411), we get a palindrome (2686776862).

The spelling of 1141435451 in words is "one billion, one hundred forty-one million, four hundred thirty-five thousand, four hundred fifty-one".