145001013121424 has 20 divisors (see below), whose sum is σ = 280941812235036. Its totient is φ = 72499900286592.

The previous prime is 145001013121421. The next prime is 145001013121493. The reversal of 145001013121424 is 424121310100541.

It can be written as a sum of positive squares in 2 ways, for example, as 127212863361424 + 17788149760000 = 11278868^2 + 4217600^2 .

It is not an unprimeable number, because it can be changed into a prime (145001013121421) 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 3 ways as a sum of consecutive naturals, for example, 35915879 + ... + 39748614.

Almost surely, 2^{145001013121424} is an apocalyptic number.

It is an amenable number.

145001013121424 is a deficient number, since it is larger than the sum of its proper divisors (135940799113612).

145001013121424 is a wasteful number, since it uses less digits than its factorization.

145001013121424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75784274 (or 75784268 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 145001013121424 its reverse (424121310100541), we get a palindrome (569122323221965).

The spelling of 145001013121424 in words is "one hundred forty-five trillion, one billion, thirteen million, one hundred twenty-one thousand, four hundred twenty-four".