1144320002 has 16 divisors (see below), whose sum is σ = 1975807680. Its totient is φ = 486893808.

The previous prime is 1144319987. The next prime is 1144320029. The reversal of 1144320002 is 2000234411.

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, 292073 + ... + 295964.

It is an arithmetic number, because the mean of its divisors is an integer number (123487980).

Almost surely, 2^1144320002 is an apocalyptic number.

1144320002 is a deficient number, since it is larger than the sum of its proper divisors (831487678).

1144320002 is a wasteful number, since it uses less digits than its factorization.

1144320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588185.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1144320002 is about 33827.7992485470. The cubic root of 1144320002 is about 1045.9618143550.

Adding to 1144320002 its reverse (2000234411), we get a palindrome (3144554413).

The spelling of 1144320002 in words is "one billion, one hundred forty-four million, three hundred twenty thousand, two".