2243201340142 has 32 divisors (see below), whose sum is σ = 3882045553920. Its totient is φ = 952235481600.

The previous prime is 2243201340137. The next prime is 2243201340197. The reversal of 2243201340142 is 2410431023422.

It is a self number, because there is not a number n which added to its sum of digits gives 2243201340142.

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 15 ways as a sum of consecutive naturals, for example, 9547534 + ... + 9779662.

It is an arithmetic number, because the mean of its divisors is an integer number (121313923560).

Almost surely, 2^{2243201340142} is an apocalyptic number.

2243201340142 is a deficient number, since it is larger than the sum of its proper divisors (1638844213778).

2243201340142 is a wasteful number, since it uses less digits than its factorization.

2243201340142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238696.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2243201340142 its reverse (2410431023422), we get a palindrome (4653632363564).

The spelling of 2243201340142 in words is "two trillion, two hundred forty-three billion, two hundred one million, three hundred forty thousand, one hundred forty-two".