144444223450 has 48 divisors (see below), whose sum is σ = 288823835520. Its totient is φ = 53572129920.

The previous prime is 144444223433. The next prime is 144444223463. The reversal of 144444223450 is 54322444441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1572867 + ... + 1662166.

It is an arithmetic number, because the mean of its divisors is an integer number (6017163240).

Almost surely, 2^144444223450 is an apocalyptic number.

144444223450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144444223450 is a deficient number, since it is larger than the sum of its proper divisors (144379612070).

144444223450 is a wasteful number, since it uses less digits than its factorization.

144444223450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235111 (or 3235106 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 144444223450 its reverse (54322444441), we get a palindrome (198766667891).

The spelling of 144444223450 in words is "one hundred forty-four billion, four hundred forty-four million, two hundred twenty-three thousand, four hundred fifty".