144223980 has 48 divisors (see below), whose sum is σ = 408952320. Its totient is φ = 37971648.

The previous prime is 144223969. The next prime is 144224011. The reversal of 144223980 is 89322441.

144223980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10474 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (8519840).

Almost surely, 2^144223980 is an apocalyptic number.

144223980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144223980 is an abundant number, since it is smaller than the sum of its proper divisors (264728340).

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

144223980 is a wasteful number, since it uses less digits than its factorization.

144223980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30518 (or 30516 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 144223980 is about 12009.3288738380. The cubic root of 144223980 is about 524.4198943882.

The spelling of 144223980 in words is "one hundred forty-four million, two hundred twenty-three thousand, nine hundred eighty".