2144532002 has 4 divisors (see below), whose sum is σ = 3216798006. Its totient is φ = 1072266000.

The previous prime is 2144531959. The next prime is 2144532007. The reversal of 2144532002 is 2002354412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1083792241 + 1060739761 = 32921^2 + 32569^2 .

It is not an unprimeable number, because it can be changed into a prime (2144532007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536132999 + ... + 536133002.

Almost surely, 2^2144532002 is an apocalyptic number.

2144532002 is a deficient number, since it is larger than the sum of its proper divisors (1072266004).

2144532002 is a wasteful number, since it uses less digits than its factorization.

2144532002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072266003.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2144532002 is about 46309.0920014634. The cubic root of 2144532002 is about 1289.5677902258.

Adding to 2144532002 its reverse (2002354412), we get a palindrome (4146886414).

The spelling of 2144532002 in words is "two billion, one hundred forty-four million, five hundred thirty-two thousand, two".