144102145442243 has 4 divisors (see below), whose sum is σ = 144515045572800. Its totient is φ = 143689245311688.

The previous prime is 144102145442231. The next prime is 144102145442273. The reversal of 144102145442243 is 342244541201441.

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

It is a cyclic number.

It is not a de Polignac number, because 144102145442243 - 2⁸ = 144102145441987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144102145442243.

It is not an unprimeable number, because it can be changed into a prime (144102145442273) 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, 206450064755 + ... + 206450065452.

It is an arithmetic number, because the mean of its divisors is an integer number (36128761393200).

Almost surely, 2^{144102145442243} is an apocalyptic number.

144102145442243 is a deficient number, since it is larger than the sum of its proper divisors (412900130557).

144102145442243 is an equidigital number, since it uses as much as digits as its factorization.

144102145442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412900130556.

The product of its (nonzero) digits is 491520, while the sum is 41.

Adding to 144102145442243 its reverse (342244541201441), we get a palindrome (486346686643684).

The spelling of 144102145442243 in words is "one hundred forty-four trillion, one hundred two billion, one hundred forty-five million, four hundred forty-two thousand, two hundred forty-three".