144340353520 has 40 divisors (see below), whose sum is σ = 366099626160. Its totient is φ = 52487400960.

The previous prime is 144340353491. The next prime is 144340353533. The reversal of 144340353520 is 25353043441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 82010685 + ... + 82012444.

It is an arithmetic number, because the mean of its divisors is an integer number (9152490654).

Almost surely, 2^144340353520 is an apocalyptic number.

144340353520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144340353520 is an abundant number, since it is smaller than the sum of its proper divisors (221759272640).

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

144340353520 is a wasteful number, since it uses less digits than its factorization.

144340353520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164023153 (or 164023147 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 144340353520 its reverse (25353043441), we get a palindrome (169693396961).

The spelling of 144340353520 in words is "one hundred forty-four billion, three hundred forty million, three hundred fifty-three thousand, five hundred twenty".