245242143043 has 4 divisors (see below), whose sum is σ = 245333347720. Its totient is φ = 245150938368.

The previous prime is 245242143037. The next prime is 245242143049. The reversal of 245242143043 is 340341242542.

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

It is an interprime number because it is at equal distance from previous prime (245242143037) and next prime (245242143049).

It is a cyclic number.

It is not a de Polignac number, because 245242143043 - 2⁵ = 245242143011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245242143049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45598305 + ... + 45603682.

It is an arithmetic number, because the mean of its divisors is an integer number (61333336930).

Almost surely, 2^245242143043 is an apocalyptic number.

245242143043 is a deficient number, since it is larger than the sum of its proper divisors (91204677).

245242143043 is an equidigital number, since it uses as much as digits as its factorization.

245242143043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91204676.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 245242143043 its reverse (340341242542), we get a palindrome (585583385585).

The spelling of 245242143043 in words is "two hundred forty-five billion, two hundred forty-two million, one hundred forty-three thousand, forty-three".