145013225312045 has 16 divisors (see below), whose sum is σ = 179178433976880. Its totient is φ = 112584991601664.

The previous prime is 145013225312023. The next prime is 145013225312071. The reversal of 145013225312045 is 540213522310541.

It can be written as a sum of positive squares in 8 ways, for example, as 8343611337961 + 136669613974084 = 2888531^2 + 11690578^2 .

It is a cyclic number.

It is not a de Polignac number, because 145013225312045 - 2³² = 145008930344749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007454092 + ... + 1007598021.

It is an arithmetic number, because the mean of its divisors is an integer number (11198652123555).

Almost surely, 2^{145013225312045} is an apocalyptic number.

It is an amenable number.

145013225312045 is a deficient number, since it is larger than the sum of its proper divisors (34165208664835).

145013225312045 is a wasteful number, since it uses less digits than its factorization.

145013225312045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015052544.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 145013225312045 its reverse (540213522310541), we get a palindrome (685226747622586).

The spelling of 145013225312045 in words is "one hundred forty-five trillion, thirteen billion, two hundred twenty-five million, three hundred twelve thousand, forty-five".