245210213101243 has 8 divisors (see below), whose sum is σ = 267415227531200. Its totient is φ = 223482725863488.

The previous prime is 245210213101177. The next prime is 245210213101309. The reversal of 245210213101243 is 342101312012542.

It is an interprime number because it is at equal distance from previous prime (245210213101177) and next prime (245210213101309).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245210213101243 - 2⁴⁵ = 210025841012411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245210213101943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119381796978 + ... + 119381799031.

It is an arithmetic number, because the mean of its divisors is an integer number (33426903441400).

Almost surely, 2^{245210213101243} is an apocalyptic number.

245210213101243 is a deficient number, since it is larger than the sum of its proper divisors (22205014429957).

245210213101243 is a wasteful number, since it uses less digits than its factorization.

245210213101243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238763596101.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 245210213101243 its reverse (342101312012542), we get a palindrome (587311525113785).

The spelling of 245210213101243 in words is "two hundred forty-five trillion, two hundred ten billion, two hundred thirteen million, one hundred one thousand, two hundred forty-three".