144155021504020 has 12 divisors (see below), whose sum is σ = 302725545158484. Its totient is φ = 57662008601600.

The previous prime is 144155021503991. The next prime is 144155021504047. The reversal of 144155021504020 is 20405120551441.

It can be written as a sum of positive squares in 2 ways, for example, as 32064608403844 + 112090413100176 = 5662562^2 + 10587276^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603875537581 + ... + 3603875537620.

It is an arithmetic number, because the mean of its divisors is an integer number (25227128763207).

Almost surely, 2^{144155021504020} is an apocalyptic number.

144155021504020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144155021504020 is an abundant number, since it is smaller than the sum of its proper divisors (158570523654464).

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

144155021504020 is a wasteful number, since it uses less digits than its factorization.

144155021504020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207751075210 (or 7207751075208 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 144155021504020 in words is "one hundred forty-four trillion, one hundred fifty-five billion, twenty-one million, five hundred four thousand, twenty".