244242154145 has 16 divisors (see below), whose sum is σ = 320428785600. Its totient is φ = 177245323200.

The previous prime is 244242154141. The next prime is 244242154159. The reversal of 244242154145 is 541451242442.

It is not a de Polignac number, because 244242154145 - 2² = 244242154141 is a prime.

It is a super-2 number, since 2×244242154145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244242154099 and 244242154108.

It is not an unprimeable number, because it can be changed into a prime (244242154141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4791095 + ... + 4841804.

It is an arithmetic number, because the mean of its divisors is an integer number (20026799100).

Almost surely, 2^244242154145 is an apocalyptic number.

It is an amenable number.

244242154145 is a deficient number, since it is larger than the sum of its proper divisors (76186631455).

244242154145 is a wasteful number, since it uses less digits than its factorization.

244242154145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9633376.

The product of its digits is 204800, while the sum is 38.

Adding to 244242154145 its reverse (541451242442), we get a palindrome (785693396587).

The spelling of 244242154145 in words is "two hundred forty-four billion, two hundred forty-two million, one hundred fifty-four thousand, one hundred forty-five".