144100134242 has 4 divisors (see below), whose sum is σ = 216150201366. Its totient is φ = 72050067120.

The previous prime is 144100134151. The next prime is 144100134247. The reversal of 144100134242 is 242431001441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242431001441 = 33461 ⋅7245181.

It can be written as a sum of positive squares in only one way, i.e., 140970962521 + 3129171721 = 375461^2 + 55939^2 .

It is not an unprimeable number, because it can be changed into a prime (144100134247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36025033559 + ... + 36025033562.

Almost surely, 2^144100134242 is an apocalyptic number.

144100134242 is a deficient number, since it is larger than the sum of its proper divisors (72050067124).

144100134242 is an equidigital number, since it uses as much as digits as its factorization.

144100134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72050067123.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 144100134242 its reverse (242431001441), we get a palindrome (386531135683).

The spelling of 144100134242 in words is "one hundred forty-four billion, one hundred million, one hundred thirty-four thousand, two hundred forty-two".