144040004202442 has 8 divisors (see below), whose sum is σ = 216060384266532. Its totient is φ = 72019876113600.

The previous prime is 144040004202403. The next prime is 144040004202443. The reversal of 144040004202442 is 244202400040441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142832161440081 + 1207842762361 = 11951241^2 + 1099019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144040004202443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61558159 + ... + 63855202.

Almost surely, 2^{144040004202442} is an apocalyptic number.

144040004202442 is a deficient number, since it is larger than the sum of its proper divisors (72020380064090).

144040004202442 is a wasteful number, since it uses less digits than its factorization.

144040004202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125987624.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 144040004202442 its reverse (244202400040441), we get a palindrome (388242404242883).

The spelling of 144040004202442 in words is "one hundred forty-four trillion, forty billion, four million, two hundred two thousand, four hundred forty-two".