1142522443 has 2 divisors, whose sum is σ = 1142522444. Its totient is φ = 1142522442.

The previous prime is 1142522429. The next prime is 1142522461. The reversal of 1142522443 is 3442252411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142522443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142522543) 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 as a sum of consecutive naturals, namely, 571261221 + 571261222.

It is an arithmetic number, because the mean of its divisors is an integer number (571261222).

Almost surely, 2^1142522443 is an apocalyptic number.

1142522443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142522443 is an equidigital number, since it uses as much as digits as its factorization.

1142522443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 28.

The square root of 1142522443 is about 33801.2195490044. The cubic root of 1142522443 is about 1045.4138430927.

Adding to 1142522443 its reverse (3442252411), we get a palindrome (4584774854).

The spelling of 1142522443 in words is "one billion, one hundred forty-two million, five hundred twenty-two thousand, four hundred forty-three".