144323244 has 36 divisors (see below), whose sum is σ = 392881216. Its totient is φ = 44407008.

The previous prime is 144323203. The next prime is 144323269. The reversal of 144323244 is 442323441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153724 + ... + 154659.

Almost surely, 2^144323244 is an apocalyptic number.

It is an amenable number.

144323244 is an abundant number, since it is smaller than the sum of its proper divisors (248557972).

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

144323244 is a wasteful number, since it uses less digits than its factorization.

144323244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308406 (or 308401 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 144323244 is about 12013.4609501176. The cubic root of 144323244 is about 524.5401796977.

Adding to 144323244 its reverse (442323441), we get a palindrome (586646685).

The spelling of 144323244 in words is "one hundred forty-four million, three hundred twenty-three thousand, two hundred forty-four".