144102402243 has 48 divisors (see below), whose sum is σ = 222040955136. Its totient is φ = 93354107040.

The previous prime is 144102402233. The next prime is 144102402293. The reversal of 144102402243 is 342204201441.

144102402243 is a `hidden beast` number, since 1 + 4 + 4 + 10 + 2 + 402 + 243 = 666.

It is not a de Polignac number, because 144102402243 - 2¹⁷ = 144102271171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144102402233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1171746 + ... + 1288872.

It is an arithmetic number, because the mean of its divisors is an integer number (4625853232).

Almost surely, 2^144102402243 is an apocalyptic number.

144102402243 is a deficient number, since it is larger than the sum of its proper divisors (77938552893).

144102402243 is an equidigital number, since it uses as much as digits as its factorization.

144102402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117286 (or 117274 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 144102402243 its reverse (342204201441), we get a palindrome (486306603684).

The spelling of 144102402243 in words is "one hundred forty-four billion, one hundred two million, four hundred two thousand, two hundred forty-three".