144308940 has 24 divisors (see below), whose sum is σ = 404065200. Its totient is φ = 38482368.

The previous prime is 144308939. The next prime is 144308977. The reversal of 144308940 is 49803441.

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, 1202515 + ... + 1202634.

It is an arithmetic number, because the mean of its divisors is an integer number (16836050).

Almost surely, 2^144308940 is an apocalyptic number.

144308940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144308940 is an abundant number, since it is smaller than the sum of its proper divisors (259756260).

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

144308940 is a wasteful number, since it uses less digits than its factorization.

144308940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405161 (or 2405159 counting only the distinct ones).

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

The square root of 144308940 is about 12012.8656031773. The cubic root of 144308940 is about 524.5228499168.

The spelling of 144308940 in words is "one hundred forty-four million, three hundred eight thousand, nine hundred forty".