145454544205305 has 32 divisors (see below), whose sum is σ = 244976816499840. Its totient is φ = 73492599720960.

The previous prime is 145454544205241. The next prime is 145454544205331. The reversal of 145454544205305 is 503502445454541.

It is a happy number.

It is not a de Polignac number, because 145454544205305 - 2⁶ = 145454544205241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135644929 + ... + 136713041.

It is an arithmetic number, because the mean of its divisors is an integer number (7655525515620).

Almost surely, 2^{145454544205305} is an apocalyptic number.

145454544205305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145454544205305 is a deficient number, since it is larger than the sum of its proper divisors (99522272294535).

145454544205305 is a wasteful number, since it uses less digits than its factorization.

145454544205305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545961.

The product of its (nonzero) digits is 19200000, while the sum is 51.

Adding to 145454544205305 its reverse (503502445454541), we get a palindrome (648956989659846).

The spelling of 145454544205305 in words is "one hundred forty-five trillion, four hundred fifty-four billion, five hundred forty-four million, two hundred five thousand, three hundred five".