244155215245 has 16 divisors (see below), whose sum is σ = 311114789568. Its totient is φ = 183304710400.

The previous prime is 244155215231. The next prime is 244155215251. The reversal of 244155215245 is 542512551442.

It is not a de Polignac number, because 244155215245 - 2²⁵ = 244121660813 is a prime.

It is a super-2 number, since 2×244155215245² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244155215198 and 244155215207.

It is a congruent 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, 4109431 + ... + 4168420.

It is an arithmetic number, because the mean of its divisors is an integer number (19444674348).

Almost surely, 2^244155215245 is an apocalyptic number.

It is an amenable number.

244155215245 is a deficient number, since it is larger than the sum of its proper divisors (66959574323).

244155215245 is a wasteful number, since it uses less digits than its factorization.

244155215245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278220.

The product of its digits is 320000, while the sum is 40.

Adding to 244155215245 its reverse (542512551442), we get a palindrome (786667766687).

The spelling of 244155215245 in words is "two hundred forty-four billion, one hundred fifty-five million, two hundred fifteen thousand, two hundred forty-five".