250203230145 has 96 divisors (see below), whose sum is σ = 477543306240. Its totient is φ = 120179272320.

The previous prime is 250203230143. The next prime is 250203230191. The reversal of 250203230145 is 541032302052.

It is a happy number.

It is not a de Polignac number, because 250203230145 - 2¹ = 250203230143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (250203230141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25373226 + ... + 25383084.

It is an arithmetic number, because the mean of its divisors is an integer number (4974409440).

Almost surely, 2^250203230145 is an apocalyptic number.

It is an amenable number.

250203230145 is a deficient number, since it is larger than the sum of its proper divisors (227340076095).

250203230145 is a wasteful number, since it uses less digits than its factorization.

250203230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 250203230145 its reverse (541032302052), we get a palindrome (791235532197).

The spelling of 250203230145 in words is "two hundred fifty billion, two hundred three million, two hundred thirty thousand, one hundred forty-five".