144705222 has 24 divisors (see below), whose sum is σ = 314074800. Its totient is φ = 48150960.

The previous prime is 144705203. The next prime is 144705247. The reversal of 144705222 is 222507441.

It is a congruent number.

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, 4072 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (13086450).

Almost surely, 2^144705222 is an apocalyptic number.

144705222 is an abundant number, since it is smaller than the sum of its proper divisors (169369578).

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

144705222 is a wasteful number, since it uses less digits than its factorization.

144705222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028 (or 14025 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 144705222 is about 12029.3483614035. The cubic root of 144705222 is about 525.0025360422.

The spelling of 144705222 in words is "one hundred forty-four million, seven hundred five thousand, two hundred twenty-two".