144455446 has 8 divisors (see below), whose sum is σ = 217423584. Its totient is φ = 71980920.

The previous prime is 144455419. The next prime is 144455449. The reversal of 144455446 is 644554441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144455449) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 122670 + ... + 123841.

It is an arithmetic number, because the mean of its divisors is an integer number (27177948).

Almost surely, 2^144455446 is an apocalyptic number.

144455446 is a deficient number, since it is larger than the sum of its proper divisors (72968138).

144455446 is a wasteful number, since it uses less digits than its factorization.

144455446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246806.

The product of its digits is 153600, while the sum is 37.

The square root of 144455446 is about 12018.9619352089. The cubic root of 144455446 is about 524.7002927328.

It can be divided in two parts, 14445 and 5446, that added together give a palindrome (19891).

The spelling of 144455446 in words is "one hundred forty-four million, four hundred fifty-five thousand, four hundred forty-six".