1143422415 has 24 divisors (see below), whose sum is σ = 1983550608. Its totient is φ = 609327360.

The previous prime is 1143422407. The next prime is 1143422443. The reversal of 1143422415 is 5142243411.

1143422415 is a `hidden beast` number, since 1 + 1 + 434 + 224 + 1 + 5 = 666.

It is not a de Polignac number, because 1143422415 - 2³ = 1143422407 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 49095 + ... + 68535.

It is an arithmetic number, because the mean of its divisors is an integer number (82647942).

Almost surely, 2^1143422415 is an apocalyptic number.

1143422415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143422415 is a deficient number, since it is larger than the sum of its proper divisors (840128193).

1143422415 is a wasteful number, since it uses less digits than its factorization.

1143422415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20759 (or 20756 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1143422415 is about 33814.5296433353. The cubic root of 1143422415 is about 1045.6882640359.

Adding to 1143422415 its reverse (5142243411), we get a palindrome (6285665826).

The spelling of 1143422415 in words is "one billion, one hundred forty-three million, four hundred twenty-two thousand, four hundred fifteen".