1144561003242 has 64 divisors (see below), whose sum is σ = 2358432806400. Its totient is φ = 370164194240.

The previous prime is 1144561003163. The next prime is 1144561003277. The reversal of 1144561003242 is 2423001654411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10133017 + ... + 10245347.

It is an arithmetic number, because the mean of its divisors is an integer number (36850512600).

Almost surely, 2^{1144561003242} is an apocalyptic number.

1144561003242 is an abundant number, since it is smaller than the sum of its proper divisors (1213871803158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144561003242 is a wasteful number, since it uses less digits than its factorization.

1144561003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112771.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 1144561003242 its reverse (2423001654411), we get a palindrome (3567562657653).

The spelling of 1144561003242 in words is "one trillion, one hundred forty-four billion, five hundred sixty-one million, three thousand, two hundred forty-two".