144322660 has 24 divisors (see below), whose sum is σ = 304065216. Its totient is φ = 57540960.

The previous prime is 144322627. The next prime is 144322691. The reversal of 144322660 is 66223441.

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, 5382 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (12669384).

Almost surely, 2^144322660 is an apocalyptic number.

144322660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144322660 is an abundant number, since it is smaller than the sum of its proper divisors (159742556).

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

144322660 is a wasteful number, since it uses less digits than its factorization.

144322660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23523 (or 23521 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 144322660 is about 12013.4366440249. The cubic root of 144322660 is about 524.5394721843.

The spelling of 144322660 in words is "one hundred forty-four million, three hundred twenty-two thousand, six hundred sixty".