143621012525 has 24 divisors (see below), whose sum is σ = 185875931304. Its totient is φ = 109979417600.

The previous prime is 143621012477. The next prime is 143621012539. The reversal of 143621012525 is 525210126341.

143621012525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 105898827241 + 37722185284 = 325421^2 + 194222^2 .

It is not a de Polignac number, because 143621012525 - 2¹⁸ = 143620750381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143621012491 and 143621012500.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1267544 + ... + 1376193.

It is an arithmetic number, because the mean of its divisors is an integer number (7744830471).

Almost surely, 2^143621012525 is an apocalyptic number.

It is an amenable number.

143621012525 is a deficient number, since it is larger than the sum of its proper divisors (42254918779).

143621012525 is a wasteful number, since it uses less digits than its factorization.

143621012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643841 (or 2643836 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 143621012525 its reverse (525210126341), we get a palindrome (668831138866).

The spelling of 143621012525 in words is "one hundred forty-three billion, six hundred twenty-one million, twelve thousand, five hundred twenty-five".