144222980 has 24 divisors (see below), whose sum is σ = 330402240. Its totient is φ = 52444640.

The previous prime is 144222973. The next prime is 144222997. The reversal of 144222980 is 89222441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327560 + ... + 327999.

It is an arithmetic number, because the mean of its divisors is an integer number (13766760).

Almost surely, 2^144222980 is an apocalyptic number.

144222980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144222980 is an abundant number, since it is smaller than the sum of its proper divisors (186179260).

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

144222980 is a wasteful number, since it uses less digits than its factorization.

144222980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655579 (or 655577 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 144222980 is about 12009.2872394660. The cubic root of 144222980 is about 524.4186823357.

The spelling of 144222980 in words is "one hundred forty-four million, two hundred twenty-two thousand, nine hundred eighty".