144321223002 has 32 divisors (see below), whose sum is σ = 333405180864. Its totient is φ = 41161132800.

The previous prime is 144321223001. The next prime is 144321223061. The reversal of 144321223002 is 200322123441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144321223001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64313149 + ... + 64315392.

It is an arithmetic number, because the mean of its divisors is an integer number (10418911902).

Almost surely, 2^144321223002 is an apocalyptic number.

144321223002 is an abundant number, since it is smaller than the sum of its proper divisors (189083957862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144321223002 is a wasteful number, since it uses less digits than its factorization.

144321223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128628574.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 144321223002 its reverse (200322123441), we get a palindrome (344643346443).

The spelling of 144321223002 in words is "one hundred forty-four billion, three hundred twenty-one million, two hundred twenty-three thousand, two".