1144661524 has 12 divisors (see below), whose sum is σ = 2020885524. Its totient is φ = 567265664.

The previous prime is 1144661521. The next prime is 1144661543. The reversal of 1144661524 is 4251664411.

It can be written as a sum of positive squares in 2 ways, for example, as 624000400 + 520661124 = 24980^2 + 22818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1144661524.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1265767 + ... + 1266670.

It is an arithmetic number, because the mean of its divisors is an integer number (168407127).

Almost surely, 2^1144661524 is an apocalyptic number.

It is an amenable number.

1144661524 is a deficient number, since it is larger than the sum of its proper divisors (876224000).

1144661524 is a wasteful number, since it uses less digits than its factorization.

1144661524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532554 (or 2532552 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 1144661524 is about 33832.8468208042. The cubic root of 1144661524 is about 1046.0658596799.

The spelling of 1144661524 in words is "one billion, one hundred forty-four million, six hundred sixty-one thousand, five hundred twenty-four".