144698561420 has 24 divisors (see below), whose sum is σ = 347276547744. Its totient is φ = 49610935296.

The previous prime is 144698561369. The next prime is 144698561429. The reversal of 144698561420 is 24165896441.

It is not an unprimeable number, because it can be changed into a prime (144698561429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516780437 + ... + 516780716.

It is an arithmetic number, because the mean of its divisors is an integer number (14469856156).

Almost surely, 2^144698561420 is an apocalyptic number.

144698561420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144698561420 is an abundant number, since it is smaller than the sum of its proper divisors (202577986324).

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

144698561420 is a wasteful number, since it uses less digits than its factorization.

144698561420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033561169 (or 1033561167 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 144698561420 in words is "one hundred forty-four billion, six hundred ninety-eight million, five hundred sixty-one thousand, four hundred twenty".