144225002 has 4 divisors (see below), whose sum is σ = 216337506. Its totient is φ = 72112500.

The previous prime is 144224987. The next prime is 144225013. The reversal of 144225002 is 200522441.

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., 143976001 + 249001 = 11999^2 + 499^2 .

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 as a sum of consecutive naturals, namely, 36056249 + ... + 36056252.

Almost surely, 2^144225002 is an apocalyptic number.

144225002 is a deficient number, since it is larger than the sum of its proper divisors (72112504).

144225002 is an equidigital number, since it uses as much as digits as its factorization.

144225002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72112503.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 144225002 is about 12009.3714240172. The cubic root of 144225002 is about 524.4211331001.

Adding to 144225002 its reverse (200522441), we get a palindrome (344747443).

The spelling of 144225002 in words is "one hundred forty-four million, two hundred twenty-five thousand, two".