144435680 has 24 divisors (see below), whose sum is σ = 341229672. Its totient is φ = 57774208.

The previous prime is 144435659. The next prime is 144435713. The reversal of 144435680 is 86534441.

144435680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144435680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451202 + ... + 451521.

It is an arithmetic number, because the mean of its divisors is an integer number (14217903).

Almost surely, 2^144435680 is an apocalyptic number.

144435680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144435680 is an abundant number, since it is smaller than the sum of its proper divisors (196793992).

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

144435680 is an equidigital number, since it uses as much as digits as its factorization.

144435680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902738 (or 902730 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 144435680 is about 12018.1396230864. The cubic root of 144435680 is about 524.6763598655.

The spelling of 144435680 in words is "one hundred forty-four million, four hundred thirty-five thousand, six hundred eighty".