1142204540144 has 20 divisors (see below), whose sum is σ = 2215049764200. Its totient is φ = 570578794560.

The previous prime is 1142204540131. The next prime is 1142204540203. The reversal of 1142204540144 is 4410454022411.

It is a super-3 number, since 3×1142204540144³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142204540144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32699219 + ... + 32734130.

It is an arithmetic number, because the mean of its divisors is an integer number (110752488210).

Almost surely, 2^{1142204540144} is an apocalyptic number.

It is an amenable number.

1142204540144 is a deficient number, since it is larger than the sum of its proper divisors (1072845224056).

1142204540144 is a wasteful number, since it uses less digits than its factorization.

1142204540144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65434448 (or 65434442 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 1142204540144 its reverse (4410454022411), we get a palindrome (5552658562555).

The spelling of 1142204540144 in words is "one trillion, one hundred forty-two billion, two hundred four million, five hundred forty thousand, one hundred forty-four".