1144540522 has 32 divisors (see below), whose sum is σ = 1815773184. Its totient is φ = 540270000.

The previous prime is 1144540517. The next prime is 1144540541. The reversal of 1144540522 is 2250454411.

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 15 ways as a sum of consecutive naturals, for example, 1523647 + ... + 1524397.

It is an arithmetic number, because the mean of its divisors is an integer number (56742912).

Almost surely, 2^1144540522 is an apocalyptic number.

1144540522 is a deficient number, since it is larger than the sum of its proper divisors (671232662).

1144540522 is a wasteful number, since it uses less digits than its factorization.

1144540522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1144540522 is about 33831.0585409325. The cubic root of 1144540522 is about 1046.0289985587.

Adding to 1144540522 its reverse (2250454411), we get a palindrome (3394994933).

The spelling of 1144540522 in words is "one billion, one hundred forty-four million, five hundred forty thousand, five hundred twenty-two".