145440244525113 has 12 divisors (see below), whose sum is σ = 210081324843988. Its totient is φ = 96959714567040.

The previous prime is 145440244525087. The next prime is 145440244525133. The reversal of 145440244525113 is 311525442044541.

145440244525113 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 4 + 0 + 2 + 4 + 4 + 525 + 113 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48356822564649 + 97083421960464 = 6953907^2 + 9853092^2 .

It is not a de Polignac number, because 145440244525113 - 2³⁰ = 145439170783289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145440244525133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35310820 + ... + 39213957.

Almost surely, 2^{145440244525113} is an apocalyptic number.

It is an amenable number.

145440244525113 is a deficient number, since it is larger than the sum of its proper divisors (64641080318875).

145440244525113 is a wasteful number, since it uses less digits than its factorization.

145440244525113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74741624 (or 74741621 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

Adding to 145440244525113 its reverse (311525442044541), we get a palindrome (456965686569654).

The spelling of 145440244525113 in words is "one hundred forty-five trillion, four hundred forty billion, two hundred forty-four million, five hundred twenty-five thousand, one hundred thirteen".