145514433345545 has 16 divisors (see below), whose sum is σ = 191770089105600. Its totient is φ = 105118419201600.

The previous prime is 145514433345503. The next prime is 145514433345577. The reversal of 145514433345545 is 545543334415541.

It is not a de Polignac number, because 145514433345545 - 2⁸ = 145514433345289 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 15 ways as a sum of consecutive naturals, for example, 8878236671 + ... + 8878253060.

It is an arithmetic number, because the mean of its divisors is an integer number (11985630569100).

Almost surely, 2^{145514433345545} is an apocalyptic number.

It is an amenable number.

145514433345545 is a deficient number, since it is larger than the sum of its proper divisors (46255655760055).

145514433345545 is a wasteful number, since it uses less digits than its factorization.

145514433345545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756489896.

The product of its digits is 86400000, while the sum is 56.

The spelling of 145514433345545 in words is "one hundred forty-five trillion, five hundred fourteen billion, four hundred thirty-three million, three hundred forty-five thousand, five hundred forty-five".