1144522254412 has 6 divisors (see below), whose sum is σ = 2002913945228. Its totient is φ = 572261127204.

The previous prime is 1144522254389. The next prime is 1144522254443. The reversal of 1144522254412 is 2144522254411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143065281798 + ... + 143065281805.

Almost surely, 2^{1144522254412} is an apocalyptic number.

It is an amenable number.

1144522254412 is a deficient number, since it is larger than the sum of its proper divisors (858391690816).

1144522254412 is a wasteful number, since it uses less digits than its factorization.

1144522254412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286130563607 (or 286130563605 counting only the distinct ones).

The product of its digits is 102400, while the sum is 37.

Subtracting 1144522254412 from its reverse (2144522254411), we obtain a palindrome (999999999999).

The spelling of 1144522254412 in words is "one trillion, one hundred forty-four billion, five hundred twenty-two million, two hundred fifty-four thousand, four hundred twelve".