1144603556 has 24 divisors (see below), whose sum is σ = 2104013184. Its totient is φ = 543787200.

The previous prime is 1144603513. The next prime is 1144603583. The reversal of 1144603556 is 6553064411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27305 + ... + 55088.

It is an arithmetic number, because the mean of its divisors is an integer number (87667216).

Almost surely, 2^1144603556 is an apocalyptic number.

It is an amenable number.

1144603556 is a deficient number, since it is larger than the sum of its proper divisors (959409628).

1144603556 is a wasteful number, since it uses less digits than its factorization.

1144603556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82571 (or 82569 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1144603556 is about 33831.9901276883. The cubic root of 1144603556 is about 1046.0482010772.

Adding to 1144603556 its reverse (6553064411), we get a palindrome (7697667967).

The spelling of 1144603556 in words is "one billion, one hundred forty-four million, six hundred three thousand, five hundred fifty-six".