144602903620 has 48 divisors (see below), whose sum is σ = 347837656320. Its totient is φ = 49465183104.

The previous prime is 144602903593. The next prime is 144602903623. The reversal of 144602903620 is 26309206441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144602903620.

It is not an unprimeable number, because it can be changed into a prime (144602903623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114939 + ... + 1237858.

It is an arithmetic number, because the mean of its divisors is an integer number (7246617840).

Almost surely, 2^144602903620 is an apocalyptic number.

144602903620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144602903620 is an abundant number, since it is smaller than the sum of its proper divisors (203234752700).

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

144602903620 is a wasteful number, since it uses less digits than its factorization.

144602903620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353252 (or 2353250 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 144602903620 in words is "one hundred forty-four billion, six hundred two million, nine hundred three thousand, six hundred twenty".