145307086648385 has 16 divisors (see below), whose sum is σ = 185821014422016. Its totient is φ = 108825732975168.

The previous prime is 145307086648379. The next prime is 145307086648397. The reversal of 145307086648385 is 583846680703541.

It is not a de Polignac number, because 145307086648385 - 2¹⁶ = 145307086582849 is a prime.

It is a super-2 number, since 2×145307086648385² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 13441908254 + ... + 13441919063.

It is an arithmetic number, because the mean of its divisors is an integer number (11613813401376).

Almost surely, 2^{145307086648385} is an apocalyptic number.

It is an amenable number.

145307086648385 is a deficient number, since it is larger than the sum of its proper divisors (40513927773631).

145307086648385 is a wasteful number, since it uses less digits than its factorization.

145307086648385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26883827392.

The product of its (nonzero) digits is 464486400, while the sum is 68.

The spelling of 145307086648385 in words is "one hundred forty-five trillion, three hundred seven billion, eighty-six million, six hundred forty-eight thousand, three hundred eighty-five".