144134140001242 has 4 divisors (see below), whose sum is σ = 216201210001866. Its totient is φ = 72067070000620.

The previous prime is 144134140001231. The next prime is 144134140001287. The reversal of 144134140001242 is 242100041431441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86977652044761 + 57156487956481 = 9326181^2 + 7560191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36033535000309 + ... + 36033535000312.

Almost surely, 2^{144134140001242} is an apocalyptic number.

144134140001242 is a deficient number, since it is larger than the sum of its proper divisors (72067070000624).

144134140001242 is an equidigital number, since it uses as much as digits as its factorization.

144134140001242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72067070000623.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 144134140001242 its reverse (242100041431441), we get a palindrome (386234181432683).

The spelling of 144134140001242 in words is "one hundred forty-four trillion, one hundred thirty-four billion, one hundred forty million, one thousand, two hundred forty-two".