2144152420425 has 18 divisors (see below), whose sum is σ = 3840415224542. Its totient is φ = 1143547957440.

The previous prime is 2144152420357. The next prime is 2144152420427. The reversal of 2144152420425 is 5240242514412.

2144152420425 is a `hidden beast` number, since 2 + 1 + 44 + 152 + 42 + 0 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11664648009 + 2132487772416 = 108003^2 + 1460304^2 .

It is not a de Polignac number, because 2144152420425 - 2¹⁰ = 2144152419401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144152420425.

It is not an unprimeable number, because it can be changed into a prime (2144152420427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4764782932 + ... + 4764783381.

Almost surely, 2^{2144152420425} is an apocalyptic number.

2144152420425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144152420425 is a deficient number, since it is larger than the sum of its proper divisors (1696262804117).

2144152420425 is a wasteful number, since it uses less digits than its factorization.

2144152420425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529566329 (or 9529566321 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 2144152420425 its reverse (5240242514412), we get a palindrome (7384394934837).

The spelling of 2144152420425 in words is "two trillion, one hundred forty-four billion, one hundred fifty-two million, four hundred twenty thousand, four hundred twenty-five".