144520383519 has 16 divisors (see below), whose sum is σ = 218659683840. Its totient is φ = 94296987000.

The previous prime is 144520383451. The next prime is 144520383521. The reversal of 144520383519 is 915383025441.

144520383519 is a `hidden beast` number, since 1 + 4 + 4 + 52 + 0 + 3 + 83 + 519 = 666.

It is not a de Polignac number, because 144520383519 - 2¹¹ = 144520381471 is a prime.

It is a super-2 number, since 2×144520383519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144520383419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56941357 + ... + 56943894.

It is an arithmetic number, because the mean of its divisors is an integer number (13666230240).

Almost surely, 2^144520383519 is an apocalyptic number.

144520383519 is a deficient number, since it is larger than the sum of its proper divisors (74139300321).

144520383519 is a wasteful number, since it uses less digits than its factorization.

144520383519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113885307 (or 113885301 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 144520383519 in words is "one hundred forty-four billion, five hundred twenty million, three hundred eighty-three thousand, five hundred nineteen".