1143893522 has 16 divisors (see below), whose sum is σ = 1768905432. Its totient is φ = 554436480.

The previous prime is 1143893497. The next prime is 1143893539. The reversal of 1143893522 is 2253983411.

It can be written as a sum of positive squares in 4 ways, for example, as 960318121 + 183575401 = 30989^2 + 13549^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31553 + ... + 57300.

Almost surely, 2^1143893522 is an apocalyptic number.

1143893522 is a deficient number, since it is larger than the sum of its proper divisors (625011910).

1143893522 is a wasteful number, since it uses less digits than its factorization.

1143893522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89053.

The product of its digits is 51840, while the sum is 38.

The square root of 1143893522 is about 33821.4949699152. The cubic root of 1143893522 is about 1045.8318573434.

The spelling of 1143893522 in words is "one billion, one hundred forty-three million, eight hundred ninety-three thousand, five hundred twenty-two".