244201551145 has 4 divisors (see below), whose sum is σ = 293041861380. Its totient is φ = 195361240912.

The previous prime is 244201551133. The next prime is 244201551211. The reversal of 244201551145 is 541155102442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102907507264 + 141294043881 = 320792^2 + 375891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244201551145 is a prime.

It is a super-2 number, since 2×244201551145² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244201551145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24420155110 + ... + 24420155119.

It is an arithmetic number, because the mean of its divisors is an integer number (73260465345).

Almost surely, 2^244201551145 is an apocalyptic number.

It is an amenable number.

244201551145 is a deficient number, since it is larger than the sum of its proper divisors (48840310235).

244201551145 is an equidigital number, since it uses as much as digits as its factorization.

244201551145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48840310234.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 244201551145 its reverse (541155102442), we get a palindrome (785356653587).

The spelling of 244201551145 in words is "two hundred forty-four billion, two hundred one million, five hundred fifty-one thousand, one hundred forty-five".