2144576002 has 4 divisors (see below), whose sum is σ = 3216864006. Its totient is φ = 1072288000.

The previous prime is 2144575973. The next prime is 2144576009. The reversal of 2144576002 is 2006754412.

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., 1263020521 + 881555481 = 35539^2 + 29691^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2144576009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536143999 + ... + 536144002.

Almost surely, 2^2144576002 is an apocalyptic number.

2144576002 is a deficient number, since it is larger than the sum of its proper divisors (1072288004).

2144576002 is a wasteful number, since it uses less digits than its factorization.

2144576002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072288003.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2144576002 is about 46309.5670677237. The cubic root of 2144576002 is about 1289.5766096473.

The spelling of 2144576002 in words is "two billion, one hundred forty-four million, five hundred seventy-six thousand, two".