245650143243 has 16 divisors (see below), whose sum is σ = 330096203136. Its totient is φ = 162486669120.

The previous prime is 245650143229. The next prime is 245650143311. The reversal of 245650143243 is 342341056542.

245650143243 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 245650143243 - 2¹³ = 245650135051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245650143143) 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 15 ways as a sum of consecutive naturals, for example, 638880 + ... + 948402.

It is an arithmetic number, because the mean of its divisors is an integer number (20631012696).

Almost surely, 2^245650143243 is an apocalyptic number.

245650143243 is a deficient number, since it is larger than the sum of its proper divisors (84446059893).

245650143243 is a wasteful number, since it uses less digits than its factorization.

245650143243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311594.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 245650143243 its reverse (342341056542), we get a palindrome (587991199785).

The spelling of 245650143243 in words is "two hundred forty-five billion, six hundred fifty million, one hundred forty-three thousand, two hundred forty-three".