144155015031145 has 4 divisors (see below), whose sum is σ = 172986018037380. Its totient is φ = 115324012024912.

The previous prime is 144155015031133. The next prime is 144155015031191. The reversal of 144155015031145 is 541130510551441.

144155015031145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 59371139541289 + 84783875489856 = 7705267^2 + 9207816^2 .

It is a cyclic number.

It is not a de Polignac number, because 144155015031145 - 2⁹ = 144155015030633 is a prime.

It is a super-2 number, since 2×144155015031145² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144155015031098 and 144155015031107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14415501503110 + ... + 14415501503119.

It is an arithmetic number, because the mean of its divisors is an integer number (43246504509345).

Almost surely, 2^{144155015031145} is an apocalyptic number.

It is an amenable number.

144155015031145 is a deficient number, since it is larger than the sum of its proper divisors (28831003006235).

144155015031145 is an equidigital number, since it uses as much as digits as its factorization.

144155015031145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28831003006234.

The product of its (nonzero) digits is 120000, while the sum is 40.

Adding to 144155015031145 its reverse (541130510551441), we get a palindrome (685285525582586).

The spelling of 144155015031145 in words is "one hundred forty-four trillion, one hundred fifty-five billion, fifteen million, thirty-one thousand, one hundred forty-five".