144422250 has 64 divisors (see below), whose sum is σ = 411989760. Its totient is φ = 33009600.

The previous prime is 144422237. The next prime is 144422261. The reversal of 144422250 is 52224441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144422250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8505 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (6437340).

Almost surely, 2^144422250 is an apocalyptic number.

144422250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144422250 is an abundant number, since it is smaller than the sum of its proper divisors (267567510).

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

144422250 is a wasteful number, since it uses less digits than its factorization.

144422250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27536 (or 27526 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 144422250 is about 12017.5808713734. The cubic root of 144422250 is about 524.6600974435.

Adding to 144422250 its reverse (52224441), we get a palindrome (196646691).

The spelling of 144422250 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred fifty".