203145425451 has 12 divisors (see below), whose sum is σ = 293472665928. Its totient is φ = 135411644544.

The previous prime is 203145425387. The next prime is 203145425513. The reversal of 203145425451 is 154524541302.

203145425451 is a `hidden beast` number, since 2 + 0 + 3 + 14 + 542 + 54 + 51 = 666.

203145425451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203145425451 - 2⁶ = 203145425387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203145425551) 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 11 ways as a sum of consecutive naturals, for example, 1484070 + ... + 1615163.

It is an arithmetic number, because the mean of its divisors is an integer number (24456055494).

Almost surely, 2^203145425451 is an apocalyptic number.

203145425451 is a deficient number, since it is larger than the sum of its proper divisors (90327240477).

203145425451 is a wasteful number, since it uses less digits than its factorization.

203145425451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106522 (or 3106519 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 203145425451 its reverse (154524541302), we get a palindrome (357669966753).

The spelling of 203145425451 in words is "two hundred three billion, one hundred forty-five million, four hundred twenty-five thousand, four hundred fifty-one".