245231215244 has 6 divisors (see below), whose sum is σ = 429154626684. Its totient is φ = 122615607620.

The previous prime is 245231215241. The next prime is 245231215249. The reversal of 245231215244 is 442512132542.

It is not an unprimeable number, because it can be changed into a prime (245231215241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30653901902 + ... + 30653901909.

It is an arithmetic number, because the mean of its divisors is an integer number (71525771114).

Almost surely, 2^245231215244 is an apocalyptic number.

It is an amenable number.

245231215244 is a deficient number, since it is larger than the sum of its proper divisors (183923411440).

245231215244 is a wasteful number, since it uses less digits than its factorization.

245231215244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61307803815 (or 61307803813 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

Adding to 245231215244 its reverse (442512132542), we get a palindrome (687743347786).

The spelling of 245231215244 in words is "two hundred forty-five billion, two hundred thirty-one million, two hundred fifteen thousand, two hundred forty-four".