1144661522 has 4 divisors (see below), whose sum is σ = 1716992286. Its totient is φ = 572330760.

The previous prime is 1144661521. The next prime is 1144661543. The reversal of 1144661522 is 2251664411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2251664411 = 1543 ⋅1459277.

It can be written as a sum of positive squares in only one way, i.e., 657973801 + 486687721 = 25651^2 + 22061^2 .

It is not an unprimeable number, because it can be changed into a prime (1144661521) 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, 286165379 + ... + 286165382.

Almost surely, 2^1144661522 is an apocalyptic number.

1144661522 is a deficient number, since it is larger than the sum of its proper divisors (572330764).

1144661522 is an equidigital number, since it uses as much as digits as its factorization.

1144661522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572330763.

The product of its digits is 11520, while the sum is 32.

The square root of 1144661522 is about 33832.8467912471. The cubic root of 1144661522 is about 1046.0658590707.

The spelling of 1144661522 in words is "one billion, one hundred forty-four million, six hundred sixty-one thousand, five hundred twenty-two".