144244001402 has 4 divisors (see below), whose sum is σ = 216366002106. Its totient is φ = 72122000700.

The previous prime is 144244001399. The next prime is 144244001477. The reversal of 144244001402 is 204100442441.

144244001402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204100442441 = 7 ⋅29157206063.

It can be written as a sum of positive squares in only one way, i.e., 112063588081 + 32180413321 = 334759^2 + 179389^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36061000349 + ... + 36061000352.

Almost surely, 2^144244001402 is an apocalyptic number.

144244001402 is a deficient number, since it is larger than the sum of its proper divisors (72122000704).

144244001402 is an equidigital number, since it uses as much as digits as its factorization.

144244001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72122000703.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 144244001402 its reverse (204100442441), we get a palindrome (348344443843).

The spelling of 144244001402 in words is "one hundred forty-four billion, two hundred forty-four million, one thousand, four hundred two".