245312530442 has 32 divisors (see below), whose sum is σ = 421782940800. Its totient is φ = 104822419968.

The previous prime is 245312530403. The next prime is 245312530451. The reversal of 245312530442 is 244035213542.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12180593 + ... + 12200715.

It is an arithmetic number, because the mean of its divisors is an integer number (13180716900).

Almost surely, 2^245312530442 is an apocalyptic number.

245312530442 is a deficient number, since it is larger than the sum of its proper divisors (176470410358).

245312530442 is a wasteful number, since it uses less digits than its factorization.

245312530442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22670.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 245312530442 its reverse (244035213542), we get a palindrome (489347743984).

The spelling of 245312530442 in words is "two hundred forty-five billion, three hundred twelve million, five hundred thirty thousand, four hundred forty-two".