250204144145 has 4 divisors (see below), whose sum is σ = 300244972980. Its totient is φ = 200163315312.

The previous prime is 250204144123. The next prime is 250204144147. The reversal of 250204144145 is 541441402052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137409593344 + 112794550801 = 370688^2 + 335849^2 .

It is a cyclic number.

It is not a de Polignac number, because 250204144145 - 2¹² = 250204140049 is a prime.

It is a super-2 number, since 2×250204144145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250204144147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25020414410 + ... + 25020414419.

It is an arithmetic number, because the mean of its divisors is an integer number (75061243245).

Almost surely, 2^250204144145 is an apocalyptic number.

It is an amenable number.

250204144145 is a deficient number, since it is larger than the sum of its proper divisors (50040828835).

250204144145 is an equidigital number, since it uses as much as digits as its factorization.

250204144145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50040828834.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 250204144145 its reverse (541441402052), we get a palindrome (791645546197).

The spelling of 250204144145 in words is "two hundred fifty billion, two hundred four million, one hundred forty-four thousand, one hundred forty-five".