144013322 has 4 divisors (see below), whose sum is σ = 216019986. Its totient is φ = 72006660.

The previous prime is 144013297. The next prime is 144013379. The reversal of 144013322 is 223310441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223310441 = 487 ⋅458543.

It can be written as a sum of positive squares in only one way, i.e., 111534721 + 32478601 = 10561^2 + 5699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144013294 and 144013303.

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 as a sum of consecutive naturals, namely, 36003329 + ... + 36003332.

Almost surely, 2^144013322 is an apocalyptic number.

144013322 is a deficient number, since it is larger than the sum of its proper divisors (72006664).

144013322 is an equidigital number, since it uses as much as digits as its factorization.

144013322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72006663.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144013322 is about 12000.5550704957. Note that the first 3 decimals coincide. The cubic root of 144013322 is about 524.1644420086.

Adding to 144013322 its reverse (223310441), we get a palindrome (367323763).

The spelling of 144013322 in words is "one hundred forty-four million, thirteen thousand, three hundred twenty-two".