144040244320402 has 8 divisors (see below), whose sum is σ = 216060422276412. Its totient is φ = 72020103561600.

The previous prime is 144040244320387. The next prime is 144040244320457. The reversal of 144040244320402 is 204023442040441.

It can be written as a sum of positive squares in 2 ways, for example, as 123874028476641 + 20166215843761 = 11129871^2 + 4490681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144040244320402² (a number of 29 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 4443402 + ... + 17544922.

Almost surely, 2^{144040244320402} is an apocalyptic number.

144040244320402 is a deficient number, since it is larger than the sum of its proper divisors (72020177956010).

144040244320402 is a wasteful number, since it uses less digits than its factorization.

144040244320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598604.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 144040244320402 its reverse (204023442040441), we get a palindrome (348063686360843).

It can be divided in two parts, 144040 and 244320402, that added together give a palindrome (244464442).

The spelling of 144040244320402 in words is "one hundred forty-four trillion, forty billion, two hundred forty-four million, three hundred twenty thousand, four hundred two".