144563790020 has 48 divisors (see below), whose sum is σ = 335772717168. Its totient is φ = 51934763520.

The previous prime is 144563789989. The next prime is 144563790029. The reversal of 144563790020 is 20097365441.

It can be written as a sum of positive squares in 8 ways, for example, as 48246916 + 144515543104 = 6946^2 + 380152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144563790020.

It is not an unprimeable number, because it can be changed into a prime (144563790029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7504091 + ... + 7523330.

It is an arithmetic number, because the mean of its divisors is an integer number (6995264941).

Almost surely, 2^144563790020 is an apocalyptic number.

144563790020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144563790020 is an abundant number, since it is smaller than the sum of its proper divisors (191208927148).

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

144563790020 is a wasteful number, since it uses less digits than its factorization.

144563790020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15027480 (or 15027478 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 144563790020 in words is "one hundred forty-four billion, five hundred sixty-three million, seven hundred ninety thousand, twenty".