203635225145 has 48 divisors (see below), whose sum is σ = 270139215360. Its totient is φ = 147250224000.

The previous prime is 203635225133. The next prime is 203635225177. The reversal of 203635225145 is 541522536302.

It is not a de Polignac number, because 203635225145 - 2⁶ = 203635225081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203635225099 and 203635225108.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108373316 + ... + 108375194.

It is an arithmetic number, because the mean of its divisors is an integer number (5627900320).

Almost surely, 2^203635225145 is an apocalyptic number.

It is an amenable number.

203635225145 is a deficient number, since it is larger than the sum of its proper divisors (66503990215).

203635225145 is a wasteful number, since it uses less digits than its factorization.

203635225145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 203635225145 in words is "two hundred three billion, six hundred thirty-five million, two hundred twenty-five thousand, one hundred forty-five".