1143264522 has 16 divisors (see below), whose sum is σ = 2286990720. Its totient is φ = 381011232.

The previous prime is 1143264511. The next prime is 1143264533. The reversal of 1143264522 is 2254623411.

It is an interprime number because it is at equal distance from previous prime (1143264511) and next prime (1143264533).

It is a self number, because there is not a number n which added to its sum of digits gives 1143264522.

It is an unprimeable number.

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, 18718 + ... + 51350.

It is an arithmetic number, because the mean of its divisors is an integer number (142936920).

Almost surely, 2^1143264522 is an apocalyptic number.

1143264522 is an abundant number, since it is smaller than the sum of its proper divisors (1143726198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143264522 is a wasteful number, since it uses less digits than its factorization.

1143264522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38477.

The product of its digits is 11520, while the sum is 30.

The square root of 1143264522 is about 33812.1948710816. The cubic root of 1143264522 is about 1045.6401294605.

Adding to 1143264522 its reverse (2254623411), we get a palindrome (3397887933).

The spelling of 1143264522 in words is "one billion, one hundred forty-three million, two hundred sixty-four thousand, five hundred twenty-two".