145125423331315 has 16 divisors (see below), whose sum is σ = 207682593389568. Its totient is φ = 95187855302496.

The previous prime is 145125423331313. The next prime is 145125423331319. The reversal of 145125423331315 is 513133324521541.

It is a cyclic number.

It is not a de Polignac number, because 145125423331315 - 2¹ = 145125423331313 is a prime.

It is a super-2 number, since 2×145125423331315² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145125423331313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90140013687 + ... + 90140015296.

It is an arithmetic number, because the mean of its divisors is an integer number (12980162086848).

Almost surely, 2^{145125423331315} is an apocalyptic number.

145125423331315 is a deficient number, since it is larger than the sum of its proper divisors (62557170058253).

145125423331315 is a wasteful number, since it uses less digits than its factorization.

145125423331315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180280029018.

The product of its digits is 648000, while the sum is 43.

Adding to 145125423331315 its reverse (513133324521541), we get a palindrome (658258747852856).

The spelling of 145125423331315 in words is "one hundred forty-five trillion, one hundred twenty-five billion, four hundred twenty-three million, three hundred thirty-one thousand, three hundred fifteen".