1145544002 has 8 divisors (see below), whose sum is σ = 1734080700. Its totient is φ = 567517104.

The previous prime is 1145543999. The next prime is 1145544011. The reversal of 1145544002 is 2004455411.

It can be written as a sum of positive squares in 2 ways, for example, as 1144401241 + 1142761 = 33829^2 + 1069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2627177 + ... + 2627612.

Almost surely, 2^1145544002 is an apocalyptic number.

1145544002 is a deficient number, since it is larger than the sum of its proper divisors (588536698).

1145544002 is a wasteful number, since it uses less digits than its factorization.

1145544002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254900.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1145544002 is about 33845.8860424720. The cubic root of 1145544002 is about 1046.3346124831.

Adding to 1145544002 its reverse (2004455411), we get a palindrome (3149999413).

The spelling of 1145544002 in words is "one billion, one hundred forty-five million, five hundred forty-four thousand, two".