144432002122 has 4 divisors (see below), whose sum is σ = 216648003186. Its totient is φ = 72216001060.

The previous prime is 144432002101. The next prime is 144432002149. The reversal of 144432002122 is 221200234441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221200234441 = 109 ⋅2029359949.

It can be written as a sum of positive squares in only one way, i.e., 111816003321 + 32615998801 = 334389^2 + 180599^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36108000529 + ... + 36108000532.

Almost surely, 2^144432002122 is an apocalyptic number.

144432002122 is a deficient number, since it is larger than the sum of its proper divisors (72216001064).

144432002122 is an equidigital number, since it uses as much as digits as its factorization.

144432002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72216001063.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 144432002122 its reverse (221200234441), we get a palindrome (365632236563).

The spelling of 144432002122 in words is "one hundred forty-four billion, four hundred thirty-two million, two thousand, one hundred twenty-two".