144085720 has 32 divisors (see below), whose sum is σ = 325004400. Its totient is φ = 57490048.

The previous prime is 144085703. The next prime is 144085723. The reversal of 144085720 is 27580441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144085723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12462 + ... + 21058.

Almost surely, 2^144085720 is an apocalyptic number.

144085720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144085720 is an abundant number, since it is smaller than the sum of its proper divisors (180918680).

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

144085720 is a wasteful number, since it uses less digits than its factorization.

144085720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027 (or 9023 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 144085720 is about 12003.5711352914. The cubic root of 144085720 is about 524.2522628189.

The spelling of 144085720 in words is "one hundred forty-four million, eighty-five thousand, seven hundred twenty".