145222314035125 has 16 divisors (see below), whose sum is σ = 181237795710192. Its totient is φ = 116177628283200.

The previous prime is 145222314035101. The next prime is 145222314035129. The reversal of 145222314035125 is 521530413222541.

It can be written as a sum of positive squares in 8 ways, for example, as 75220946346001 + 70001367689124 = 8673001^2 + 8366682^2 .

It is not a de Polignac number, because 145222314035125 - 2¹⁷ = 145222313904053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145222314035129) by changing a digit.

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, 103102107 + ... + 104501143.

It is an arithmetic number, because the mean of its divisors is an integer number (11327362231887).

Almost surely, 2^{145222314035125} is an apocalyptic number.

It is an amenable number.

145222314035125 is a deficient number, since it is larger than the sum of its proper divisors (36015481675067).

145222314035125 is an equidigital number, since it uses as much as digits as its factorization.

145222314035125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229465 (or 2229455 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 145222314035125 its reverse (521530413222541), we get a palindrome (666752727257666).

The spelling of 145222314035125 in words is "one hundred forty-five trillion, two hundred twenty-two billion, three hundred fourteen million, thirty-five thousand, one hundred twenty-five".