144300130031021 has 4 divisors (see below), whose sum is σ = 144307552514844. Its totient is φ = 144292707547200.

The previous prime is 144300130030993. The next prime is 144300130031027. The reversal of 144300130031021 is 120130031003441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90853590841225 + 53446539189796 = 9531715^2 + 7310714^2 .

It is a cyclic number.

It is not a de Polignac number, because 144300130031021 - 2⁶ = 144300130030957 is a prime.

It is a super-5 number, since 5×144300130031021⁵ (a number of 72 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144300130031027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711212750 + ... + 3711251631.

It is an arithmetic number, because the mean of its divisors is an integer number (36076888128711).

Almost surely, 2^{144300130031021} is an apocalyptic number.

It is an amenable number.

144300130031021 is a deficient number, since it is larger than the sum of its proper divisors (7422483823).

144300130031021 is an equidigital number, since it uses as much as digits as its factorization.

144300130031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422483822.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 144300130031021 its reverse (120130031003441), we get a palindrome (264430161034462).

The spelling of 144300130031021 in words is "one hundred forty-four trillion, three hundred billion, one hundred thirty million, thirty-one thousand, twenty-one".