144505453383787 has 4 divisors (see below), whose sum is σ = 144505531667880. Its totient is φ = 144505375099696.

The previous prime is 144505453383779. The next prime is 144505453383817. The reversal of 144505453383787 is 787383354505441.

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 144505453383787 - 2³ = 144505453383779 is a prime.

It is a super-2 number, since 2×144505453383787² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144505453383727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36304618 + ... + 40087855.

It is an arithmetic number, because the mean of its divisors is an integer number (36126382916970).

Almost surely, 2^{144505453383787} is an apocalyptic number.

144505453383787 is a deficient number, since it is larger than the sum of its proper divisors (78284093).

144505453383787 is an equidigital number, since it uses as much as digits as its factorization.

144505453383787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78284092.

The product of its (nonzero) digits is 677376000, while the sum is 67.

The spelling of 144505453383787 in words is "one hundred forty-four trillion, five hundred five billion, four hundred fifty-three million, three hundred eighty-three thousand, seven hundred eighty-seven".