144024002 has 8 divisors (see below), whose sum is σ = 220112316. Its totient is φ = 70653232.

The previous prime is 144023993. The next prime is 144024059. The reversal of 144024002 is 200420441.

It is a Cunningham number, because it is equal to 12001²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 144024001 + 1 = 12001^2 + 1^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679253 + ... + 679464.

Almost surely, 2^144024002 is an apocalyptic number.

144024002 is a deficient number, since it is larger than the sum of its proper divisors (76088314).

144024002 is a wasteful number, since it uses less digits than its factorization.

144024002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358772.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 144024002 is about 12001.0000416632. Note that the first 4 decimals coincide. The cubic root of 144024002 is about 524.1773989994.

Adding to 144024002 its reverse (200420441), we get a palindrome (344444443).

The spelling of 144024002 in words is "one hundred forty-four million, twenty-four thousand, two".