245210242 has 8 divisors (see below), whose sum is σ = 368363916. Its totient is φ = 122422272.

The previous prime is 245210239. The next prime is 245210249. The reversal of 245210242 is 242012542.

245210242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 236513641 + 8696601 = 15379^2 + 2949^2 .

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

It is not an unprimeable number, because it can be changed into a prime (245210249) 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, 89743 + ... + 92434.

Almost surely, 2^245210242 is an apocalyptic number.

245210242 is a deficient number, since it is larger than the sum of its proper divisors (123153674).

245210242 is a wasteful number, since it uses less digits than its factorization.

245210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182852.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 245210242 is about 15659.1903366681. The cubic root of 245210242 is about 625.9114101245.

Adding to 245210242 its reverse (242012542), we get a palindrome (487222784).

The spelling of 245210242 in words is "two hundred forty-five million, two hundred ten thousand, two hundred forty-two".