145440655054065 has 96 divisors (see below), whose sum is σ = 303278923284480. Its totient is φ = 62986965683328.

The previous prime is 145440655054039. The next prime is 145440655054087. The reversal of 145440655054065 is 560450556044541.

It is a happy number.

145440655054065 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 40 + 6 + 5 + 50 + 540 + 6 + 5 = 666.

It is not a de Polignac number, because 145440655054065 - 2⁵ = 145440655054033 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 638503584 + ... + 638731326.

It is an arithmetic number, because the mean of its divisors is an integer number (3159155450880).

Almost surely, 2^{145440655054065} is an apocalyptic number.

145440655054065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145440655054065 is an abundant number, since it is smaller than the sum of its proper divisors (157838268230415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145440655054065 is a wasteful number, since it uses less digits than its factorization.

145440655054065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334483 (or 334480 counting only the distinct ones).

The product of its (nonzero) digits is 28800000, while the sum is 54.

The spelling of 145440655054065 in words is "one hundred forty-five trillion, four hundred forty billion, six hundred fifty-five million, fifty-four thousand, sixty-five".